Finnair flight AY 4042: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Thu,Sat,Sun 11:20 Seattle-Tacoma (SEA) 17:38 Chicago O'Hare (ORD) 3
AY 4042 Non-stop Airbus A321 (321) 4:18 Effective 2025-05-06 through 2025-05-15
Codeshare flight, operated by American Airlines.(AA 1872)
Daily 11:20 Seattle-Tacoma (SEA) 17:38 Chicago O'Hare (ORD) 3
AY 4042 Non-stop Airbus A321 (321) 4:18 Effective 2025-05-16 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 1872)
Wed 11:46 Omaha (OMA) 13:39 Dallas Fort Worth (DFW)
AY 4042 Non-stop Airbus A320 (320) 1:53 Effective 2025-07-16 through 2025-07-30
Codeshare flight, operated by American Airlines.(AA 1811)
Tue 13:40 London Heathrow (LHR) 3 18:10 Miami (MIA)
AY 4042 Non-stop Boeing 777-300ER (77W) 9:30 Operates only on 2025-08-26
Codeshare flight, operated by American Airlines.(AA 57)
Tue 15:05 Austin (AUS) 18:00 Chicago O'Hare (ORD) 3
AY 4042 Non-stop Boeing 737-800 (738) 2:55 Effective 2025-07-08 through 2025-07-29
Codeshare flight, operated by American Airlines.(AA 1574)
Tue 15:10 London Heathrow (LHR) 3 19:20 Dallas Fort Worth (DFW) D
AY 4042 Non-stop Boeing 777-200 (772) 10:10 Operates only on 2025-09-02
Codeshare flight, operated by American Airlines.(AA 153)
Sat 15:27 Austin (AUS) 18:23 Chicago O'Hare (ORD) 3
AY 4042 Non-stop Boeing 737-800 (738) 2:56 Operates only on 2025-07-12
Codeshare flight, operated by American Airlines.(AA 1574)
Sat 15:27 Austin (AUS) 18:23 Chicago O'Hare (ORD) 3
AY 4042 Non-stop Boeing 737-800 (738) 2:56 Operates only on 2025-08-02
Codeshare flight, operated by American Airlines.(AA 1574)
Wed-Fri 15:53 Richmond (RIC) 18:10 Dallas Fort Worth (DFW)
AY 4042 Non-stop Boeing 737-800 (738) 3:17 Effective 2025-09-03 through 2025-09-05
Codeshare flight, operated by American Airlines.(AA 1915)
Fri 16:59 Denver (DEN) 20:00 Dallas Fort Worth (DFW)
AY 4042 Non-stop Airbus A321 (321) 2:01 Effective 2025-08-22 through 2025-08-29
Codeshare flight, operated by American Airlines.(AA 1832)
Mon,Fri 17:07 Dallas Fort Worth (DFW) 20:52 Fort Lauderdale (FLL) 3
AY 4042 Non-stop Boeing 737-800 (738) 2:45 Effective 2025-05-05 through 2025-05-09
Codeshare flight, operated by American Airlines.(AA 2099)
Sat,Sun 18:00 Saint Louis (STL) 1 19:19 Chicago O'Hare (ORD) 3
AY 4042 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:19 Effective 2025-05-03 through 2025-05-04
Codeshare flight, operated by American Airlines.(AA 3669)
Wed 19:15 Chicago O'Hare (ORD) 3 21:46 John Glenn Columbus (CMH)
AY 4042 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:31 Operates only on 2025-07-02
Codeshare flight, operated by American Airlines.(AA 3447)
Mon-Sat 19:15 Chicago O'Hare (ORD) 3 22:38 Providence (PVD)
AY 4042 Non-stop Boeing 737-800 (738) 2:23 Effective 2025-08-05 through 2025-08-16
Codeshare flight, operated by American Airlines.(AA 1293)
Mon-Thu,Sat,Sun 19:15 Chicago O'Hare (ORD) 3 22:38 Providence (PVD)
AY 4042 Non-stop Boeing 737-800 (738) 2:23 Effective 2025-08-17 through 2025-08-25
Codeshare flight, operated by American Airlines.(AA 1293)
Wed,Thu 19:15 Chicago O'Hare (ORD) 3 22:38 Providence (PVD)
AY 4042 Non-stop Boeing 737-800 (738) 2:23 Effective 2025-08-27 through 2025-08-28
Codeshare flight, operated by American Airlines.(AA 1293)
Mon 19:30 Miami (MIA) 21:41 Atlanta (ATL) N
AY 4042 Non-stop Airbus A321 (321) 2:11 Operates only on 2025-12-01
Codeshare flight, operated by American Airlines.(AA 1006)
Mon,Sat 19:30 Miami (MIA) 21:44 Atlanta (ATL) N
AY 4042 Non-stop Boeing 737 MAX 8 (7M8) 2:14 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1006)
Mon,Sat 19:30 Miami (MIA) 21:36 Atlanta (ATL) N
AY 4042 Non-stop Airbus A319 (319) 2:06 Effective from 2026-02-14
Codeshare flight, operated by American Airlines.(AA 1006)
Sat 20:20 Chicago O'Hare (ORD) 3 22:17 Nashville (BNA)
AY 4042 Non-stop Canadair CRJ 700 (CR7) 1:57 Operates only on 2025-07-05
Codeshare flight, operated by American Airlines.(AA 6326)
Thu,Fri 20:28 Chicago O'Hare (ORD) 3 23:44 Atlanta (ATL) N
AY 4042 Non-stop Embraer EMB 175 (E75) 2:16 Valid until 2025-05-02
Codeshare flight, operated by American Airlines.(AA 4637)
Tue 20:30 New York John F. Kennedy (JFK) 8 23:55 Miami (MIA)
AY 4042 Non-stop Boeing 737-800 (738) 3:25 Operates only on 2025-07-01
Codeshare flight, operated by American Airlines.(AA 3277)
Mon 20:40 Dallas Fort Worth (DFW) 00:05 Grand Rapids (GRR)
AY 4042 Non-stop Boeing 737-800 (738) 2:25 Operates only on 2025-09-01
Codeshare flight, operated by American Airlines.(AA 1459)
The flight arrives 1 day after departure.
Wed 21:00 Chicago O'Hare (ORD) 3 23:25 San Diego (SAN) 2
AY 4042 Non-stop Airbus A321 (321) 4:25 Operates only on 2025-07-09
Codeshare flight, operated by American Airlines.(AA 1861)
Thu,Fri,Sun 21:05 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
AY 4042 Non-stop Airbus A321 (321) 4:45 Effective 2025-07-06 through 2025-07-13
Codeshare flight, operated by American Airlines.(AA 3029)
Mon,Thu,Fri,Sun 21:05 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
AY 4042 Non-stop Airbus A321 (321) 4:45 Effective 2025-07-14 through 2025-08-03
Codeshare flight, operated by American Airlines.(AA 3029)
Sun 21:15 Dallas Fort Worth (DFW) 12:30 London Heathrow (LHR) 3
AY 4042 Non-stop Boeing 777-200 (772) 9:15 Operates only on 2025-08-31
Codeshare flight, operated by American Airlines.(AA 154)
The flight arrives 1 day after departure.
Sat 22:05 Chicago O'Hare (ORD) 3 23:59 Memphis (MEM)
AY 4042 Non-stop Embraer EMB 175 (E75) 1:54 Operates only on 2025-08-30
Codeshare flight, operated by American Airlines.(AA 3945)
Daily 22:06 Chicago O'Hare (ORD) 3 23:57 Memphis (MEM)
AY 4042 Non-stop Embraer EMB 175 (E75) 1:51 Effective 2025-06-06 through 2025-06-18
Codeshare flight, operated by American Airlines.(AA 3945)
Tue-Sun 22:06 Chicago O'Hare (ORD) 3 23:57 Memphis (MEM)
AY 4042 Non-stop Embraer EMB 175 (E75) 1:51 Effective 2025-06-20 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 3945)
Mon,Thu 22:06 Chicago O'Hare (ORD) 3 23:57 Memphis (MEM)
AY 4042 Non-stop Embraer EMB 175 (E75) 1:51 Effective 2025-06-30 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3945)
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This flight number is listed as serving the following routes:


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Finnair flight AY 4042: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4042
11:20
Seattle-Tacoma (SEA)

17:38
Chicago O'Hare (ORD) 3
Effective 2025-05-06 through 2025-05-15
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1872)
Duration: 4:18, non-stop
Airbus A321 (321)
Finnair AY4042
11:20
Seattle-Tacoma (SEA)

17:38
Chicago O'Hare (ORD) 3
Effective 2025-05-16 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1872)
Duration: 4:18, non-stop
Airbus A321 (321)
Finnair AY4042
11:46
Omaha (OMA)

13:39
Dallas Fort Worth (DFW)
Effective 2025-07-16 through 2025-07-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1811)
Duration: 1:53, non-stop
Airbus A320 (320)
Finnair AY4042
13:40
London Heathrow (LHR) 3

18:10
Miami (MIA)
Operates only on 2025-08-26
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 57)
Duration: 9:30, non-stop
Boeing 777-300ER (77W)
Finnair AY4042
15:05
Austin (AUS)

18:00
Chicago O'Hare (ORD) 3
Effective 2025-07-08 through 2025-07-29
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1574)
Duration: 2:55, non-stop
Boeing 737-800 (738)
Finnair AY4042
15:10
London Heathrow (LHR) 3

19:20
Dallas Fort Worth (DFW) D
Operates only on 2025-09-02
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 153)
Duration: 10:10, non-stop
Boeing 777-200 (772)
Finnair AY4042
15:27
Austin (AUS)

18:23
Chicago O'Hare (ORD) 3
Operates only on 2025-07-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1574)
Duration: 2:56, non-stop
Boeing 737-800 (738)
Finnair AY4042
15:27
Austin (AUS)

18:23
Chicago O'Hare (ORD) 3
Operates only on 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1574)
Duration: 2:56, non-stop
Boeing 737-800 (738)
Finnair AY4042
15:53
Richmond (RIC)

18:10
Dallas Fort Worth (DFW)
Effective 2025-09-03 through 2025-09-05
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1915)
Duration: 3:17, non-stop
Boeing 737-800 (738)
Finnair AY4042
16:59
Denver (DEN)

20:00
Dallas Fort Worth (DFW)
Effective 2025-08-22 through 2025-08-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1832)
Duration: 2:01, non-stop
Airbus A321 (321)
Finnair AY4042
17:07
Dallas Fort Worth (DFW)

20:52
Fort Lauderdale (FLL) 3
Effective 2025-05-05 through 2025-05-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2099)
Duration: 2:45, non-stop
Boeing 737-800 (738)
Finnair AY4042
18:00
Saint Louis (STL) 1

19:19
Chicago O'Hare (ORD) 3
Effective 2025-05-03 through 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3669)
Duration: 1:19, non-stop
Embraer EMB 170 / EMB 175 (E70)
Finnair AY4042
19:15
Chicago O'Hare (ORD) 3

21:46
John Glenn Columbus (CMH)
Operates only on 2025-07-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3447)
Duration: 1:31, non-stop
Embraer EMB 170 / EMB 175 (E70)
Finnair AY4042
19:15
Chicago O'Hare (ORD) 3

22:38
Providence (PVD)
Effective 2025-08-05 through 2025-08-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1293)
Duration: 2:23, non-stop
Boeing 737-800 (738)
Finnair AY4042
19:15
Chicago O'Hare (ORD) 3

22:38
Providence (PVD)
Effective 2025-08-17 through 2025-08-25
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1293)
Duration: 2:23, non-stop
Boeing 737-800 (738)
Finnair AY4042
19:15
Chicago O'Hare (ORD) 3

22:38
Providence (PVD)
Effective 2025-08-27 through 2025-08-28
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1293)
Duration: 2:23, non-stop
Boeing 737-800 (738)
Finnair AY4042
19:30
Miami (MIA)

21:41
Atlanta (ATL) N
Operates only on 2025-12-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1006)
Duration: 2:11, non-stop
Airbus A321 (321)
Finnair AY4042
19:30
Miami (MIA)

21:44
Atlanta (ATL) N
Effective 2025-12-20 through 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1006)
Duration: 2:14, non-stop
Boeing 737 MAX 8 (7M8)
Finnair AY4042
19:30
Miami (MIA)

21:36
Atlanta (ATL) N
Effective from 2026-02-14
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1006)
Duration: 2:06, non-stop
Airbus A319 (319)
Finnair AY4042
20:20
Chicago O'Hare (ORD) 3

22:17
Nashville (BNA)
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6326)
Duration: 1:57, non-stop
Canadair CRJ 700 (CR7)
Finnair AY4042
20:28
Chicago O'Hare (ORD) 3

23:44
Atlanta (ATL) N
Valid until 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4637)
Duration: 2:16, non-stop
Embraer EMB 175 (E75)
Finnair AY4042
20:30
New York John F. Kennedy (JFK) 8

23:55
Miami (MIA)
Operates only on 2025-07-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3277)
Duration: 3:25, non-stop
Boeing 737-800 (738)
Finnair AY4042
20:40
Dallas Fort Worth (DFW)

00:05(+1)
Grand Rapids (GRR)
Operates only on 2025-09-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1459)
Duration: 2:25, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Finnair AY4042
21:00
Chicago O'Hare (ORD) 3

23:25
San Diego (SAN) 2
Operates only on 2025-07-09
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1861)
Duration: 4:25, non-stop
Airbus A321 (321)
Finnair AY4042
21:05
Chicago O'Hare (ORD) 3

23:50
Seattle-Tacoma (SEA)
Effective 2025-07-06 through 2025-07-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:45, non-stop
Airbus A321 (321)
Finnair AY4042
21:05
Chicago O'Hare (ORD) 3

23:50
Seattle-Tacoma (SEA)
Effective 2025-07-14 through 2025-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:45, non-stop
Airbus A321 (321)
Finnair AY4042
21:15
Dallas Fort Worth (DFW)

12:30(+1)
London Heathrow (LHR) 3
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 154)
Duration: 9:15, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.
Finnair AY4042
22:05
Chicago O'Hare (ORD) 3

23:59
Memphis (MEM)
Operates only on 2025-08-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3945)
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Finnair AY4042
22:06
Chicago O'Hare (ORD) 3

23:57
Memphis (MEM)
Effective 2025-06-06 through 2025-06-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3945)
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Finnair AY4042
22:06
Chicago O'Hare (ORD) 3

23:57
Memphis (MEM)
Effective 2025-06-20 through 2025-06-29
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3945)
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Finnair AY4042
22:06
Chicago O'Hare (ORD) 3

23:57
Memphis (MEM)
Effective 2025-06-30 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3945)
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Atlanta (ATL)
  • Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
  • Chicago O'Hare (ORD) - Memphis (MEM)
  • Chicago O'Hare (ORD) - Nashville (BNA)
  • Chicago O'Hare (ORD) - Providence (PVD)
  • Chicago O'Hare (ORD) - San Diego (SAN)
  • Dallas Fort Worth (DFW) - Fort Lauderdale (FLL)
  • Dallas Fort Worth (DFW) - Grand Rapids (GRR)
  • Dallas Fort Worth (DFW) - London Heathrow (LHR)
  • Denver (DEN) - Dallas Fort Worth (DFW)
  • London Heathrow (LHR) - Miami (MIA)
  • Miami (MIA) - Atlanta (ATL)
  • New York John F. Kennedy (JFK) - Miami (MIA)
  • Omaha (OMA) - Dallas Fort Worth (DFW)
  • Richmond (RIC) - Dallas Fort Worth (DFW)
  • Saint Louis (STL) - Chicago O'Hare (ORD)
  • Seattle-Tacoma (SEA) - Chicago O'Hare (ORD)
All Finnair flights
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