Aer Lingus flight EI 7521: Chicago O'Hare - Indianapolis

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Fri,Sun 06:13 Chicago O'Hare (ORD) 3 08:23 Indianapolis (IND)
EI 7521 Non-stop Embraer EMB 175 (E75) 1:10 Effective 2025-07-06 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 4806)
Mon,Wed-Sun 06:13 Chicago O'Hare (ORD) 3 08:23 Indianapolis (IND)
EI 7521 Non-stop Embraer EMB 175 (E75) 1:10 Effective 2025-08-06 through 2025-08-11
Codeshare flight, operated by American Airlines.(AA 4806)
Daily 06:13 Chicago O'Hare (ORD) 3 08:23 Indianapolis (IND)
EI 7521 Non-stop Embraer EMB 175 (E75) 1:10 Effective 2025-09-04 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 4468)
Sun 06:43 Chicago O'Hare (ORD) 3 08:48 Indianapolis (IND)
EI 7521 Non-stop Embraer EMB 175 (E75) 1:05 Effective 2025-06-08 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 4806)
Mon,Thu,Fri 06:47 Chicago O'Hare (ORD) 3 08:52 Indianapolis (IND)
EI 7521 Non-stop Embraer EMB 175 (E75) 1:05 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 4806)
Sat 06:55 Chicago O'Hare (ORD) 3 09:32 Seattle-Tacoma (SEA)
EI 7521 Non-stop Boeing 737-800 (738) 4:37 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 2101)
Wed 13:29 Chicago O'Hare (ORD) 3 15:32 Indianapolis (IND)
EI 7521 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:03 Operates only on 2025-08-20
Codeshare flight, operated by American Airlines.(AA 3907)
Tue,Wed 16:47 Chicago O'Hare (ORD) 3 18:55 Indianapolis (IND)
EI 7521 Non-stop Canadair CRJ 700 (CR7) 1:08 Effective 2025-06-10 through 2025-06-25
Codeshare flight, operated by American Airlines.(AA 6371)
Tue,Wed 16:51 Chicago O'Hare (ORD) 3 19:02 Indianapolis (IND)
EI 7521 Non-stop Canadair CRJ 700 (CR7) 1:11 Effective 2025-07-08 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 6371)
Wed 20:35 Chicago O'Hare (ORD) 3 23:03 Indianapolis (IND)
EI 7521 Non-stop Embraer EMB 175 (E75) 1:28 Operates only on 2025-09-03
Codeshare flight, operated by American Airlines.(AA 4455)
Sat 22:05 Chicago O'Hare (ORD) 3 00:16 Indianapolis (IND)
EI 7521 Non-stop Boeing 737-800 (738) 1:11 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 2144)
The flight arrives 1 day after departure.
Daily 22:05 Chicago O'Hare (ORD) 3 00:16 Indianapolis (IND)
EI 7521 Non-stop Airbus A319 (319) 1:11 Effective 2025-08-12 through 2025-08-19
Codeshare flight, operated by American Airlines.(AA 2174)
The flight arrives 1 day after departure.
Daily 22:05 Chicago O'Hare (ORD) 3 00:16 Indianapolis (IND)
EI 7521 Non-stop Airbus A319 (319) 1:11 Effective 2025-08-21 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 2174)
The flight arrives 1 day after departure.
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Aer Lingus flight EI 7521:
Chicago O'Hare - Indianapolis
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Aer Lingus EI7521
Effective 2025-07-06 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4806)
Duration: 1:10, non-stop
Embraer EMB 175 (E75)

Aer Lingus EI7521
Effective 2025-08-06 through 2025-08-11
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4806)
Duration: 1:10, non-stop
Embraer EMB 175 (E75)

Aer Lingus EI7521
Effective 2025-09-04 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4468)
Duration: 1:10, non-stop
Embraer EMB 175 (E75)

Aer Lingus EI7521
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4806)
Duration: 1:05, non-stop
Embraer EMB 175 (E75)

Aer Lingus EI7521
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4806)
Duration: 1:05, non-stop
Embraer EMB 175 (E75)

Aer Lingus EI7521
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2101)
Duration: 4:37, non-stop
Boeing 737-800 (738)

Aer Lingus EI7521
Operates only on 2025-08-20
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3907)
Duration: 1:03, non-stop
Embraer EMB 170 / EMB 175 (E70)

Aer Lingus EI7521
Effective 2025-06-10 through 2025-06-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6371)
Duration: 1:08, non-stop
Canadair CRJ 700 (CR7)

Aer Lingus EI7521
Effective 2025-07-08 through 2025-08-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6371)
Duration: 1:11, non-stop
Canadair CRJ 700 (CR7)

Aer Lingus EI7521
Operates only on 2025-09-03
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4455)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)

Aer Lingus EI7521
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2144)
Duration: 1:11, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Aer Lingus EI7521
Effective 2025-08-12 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2174)
Duration: 1:11, non-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

Aer Lingus EI7521
Effective 2025-08-21 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2174)
Duration: 1:11, non-stop
Airbus A319 (319)
The flight arrives 1 day after departure.
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  • EI 7521 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Indianapolis airport (IND).
  • The flight distance is 177 miles, or 285 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 1:03 and 4:37.