Aeromexico flight AM 3421: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Wed,Sun 05:45 Billings (BIL) 07:13 Salt Lake City (SLC)
AM 3421 Non-stop Airbus A320 (320) 1:28 Effective 2025-11-02 through 2025-11-05
Codeshare flight, operated by Delta Air Lines.(DL 1360)
Daily 06:00 Augusta (AGS) 07:05 Atlanta (ATL) S
AM 3421 Non-stop Canadair CRJ 900 (CR9) 1:05 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 4886)
Daily 08:40 Boise (BOI) 09:31 Seattle-Tacoma (SEA)
AM 3421 Non-stop Embraer EMB 175 (E7W) 1:51 Effective 2025-06-08 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 3740)
Daily 08:40 Boise (BOI) 09:24 Seattle-Tacoma (SEA)
AM 3421 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2025-07-07 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 3740)
Daily 08:40 Boise (BOI) 09:31 Seattle-Tacoma (SEA)
AM 3421 Non-stop Embraer EMB 175 (E7W) 1:51 Effective 2025-09-08 through 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 3740)
Daily 08:40 Boise (BOI) 09:31 Seattle-Tacoma (SEA)
AM 3421 Non-stop Embraer EMB 175 (E7W) 1:51 Effective 2025-11-06 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 3740)
Daily 08:40 Boise (BOI) 09:30 Seattle-Tacoma (SEA)
AM 3421 Non-stop Embraer EMB 175 (E7W) 1:50 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 3740)
Daily 08:46 Boise (BOI) 09:30 Seattle-Tacoma (SEA)
AM 3421 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2025-05-07 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 3740)
Daily 09:00 Boise (BOI) 09:45 Seattle-Tacoma (SEA)
AM 3421 Non-stop Embraer EMB 175 (E7W) 1:45 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 3740)
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This flight number is listed as serving the following routes:


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Aeromexico flight AM 3421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Aeromexico AM3421
05:45
Billings (BIL)

07:13
Salt Lake City (SLC)
Effective 2025-11-02 through 2025-11-05
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1360)
Duration: 1:28, non-stop
Airbus A320 (320)
Aeromexico AM3421
06:00
Augusta (AGS)

07:05
Atlanta (ATL) S
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4886)
Duration: 1:05, non-stop
Canadair CRJ 900 (CR9)
Aeromexico AM3421
08:40
Boise (BOI)

09:31
Seattle-Tacoma (SEA)
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3740)
Duration: 1:51, non-stop
Embraer EMB 175 (E7W)
Aeromexico AM3421
08:40
Boise (BOI)

09:24
Seattle-Tacoma (SEA)
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3740)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Aeromexico AM3421
08:40
Boise (BOI)

09:31
Seattle-Tacoma (SEA)
Effective 2025-09-08 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3740)
Duration: 1:51, non-stop
Embraer EMB 175 (E7W)
Aeromexico AM3421
08:40
Boise (BOI)

09:31
Seattle-Tacoma (SEA)
Effective 2025-11-06 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3740)
Duration: 1:51, non-stop
Embraer EMB 175 (E7W)
Aeromexico AM3421
08:40
Boise (BOI)

09:30
Seattle-Tacoma (SEA)
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3740)
Duration: 1:50, non-stop
Embraer EMB 175 (E7W)
Aeromexico AM3421
08:46
Boise (BOI)

09:30
Seattle-Tacoma (SEA)
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3740)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Aeromexico AM3421
09:00
Boise (BOI)

09:45
Seattle-Tacoma (SEA)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3740)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Augusta (AGS) - Atlanta (ATL)
  • Billings (BIL) - Salt Lake City (SLC)
  • Boise (BOI) - Seattle-Tacoma (SEA)
All Aeromexico flights
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- CACHE: False - LANG: en - IS_EU: False