Aer Lingus flight EI 7404: Chicago O'Hare - Oklahoma City

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 16:30 Chicago O'Hare (ORD) 3 18:43 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 6481)
Sat 16:40 Chicago O'Hare (ORD) 3 18:54 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:14 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 6481)
Mon-Fri,Sun 18:34 Chicago O'Hare (ORD) 3 20:57 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:23 Effective 2025-07-06 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 6487)
Daily 18:34 Chicago O'Hare (ORD) 3 20:57 Oklahoma City (OKC)
EI 7404 Non-stop Canadair CRJ 700 (CR7) 2:23 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 6493)
Wed 18:34 Chicago O'Hare (ORD) 3 20:57 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:23 Operates only on 2025-09-03
Codeshare flight, operated by American Airlines.(AA 6493)
Daily 18:34 Chicago O'Hare (ORD) 3 20:57 Oklahoma City (OKC)
EI 7404 Non-stop Canadair CRJ 700 (CR7) 2:23 Effective 2025-09-04 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 6493)
Mon-Fri,Sun 18:36 Chicago O'Hare (ORD) 3 21:00 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:24 Effective 2025-06-05 through 2025-06-30
Codeshare flight, operated by American Airlines.(AA 6487)
Thu 18:36 Chicago O'Hare (ORD) 3 21:00 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:24 Operates only on 2025-07-03
Codeshare flight, operated by American Airlines.(AA 6487)
Sat 18:50 Chicago O'Hare (ORD) 3 21:18 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:28 Operates only on 2025-05-24
Codeshare flight, operated by American Airlines.(AA 3500)
Mon 20:20 Chicago O'Hare (ORD) 3 22:51 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:31 Operates only on 2025-10-06
Codeshare flight, operated by American Airlines.(AA 6493)
Daily 20:20 Chicago O'Hare (ORD) 3 22:51 Oklahoma City (OKC)
EI 7404 Non-stop Canadair CRJ 700 (CR7) 2:31 Effective 2025-10-07 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 6493)
Daily 20:20 Chicago O'Hare (ORD) 3 22:47 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:27 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3617)
Daily 20:20 Chicago O'Hare (ORD) 3 22:49 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 175 (E75) 2:29 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 4417)
Daily 20:20 Chicago O'Hare (ORD) 3 22:58 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-12-18 through 2025-12-24
Codeshare flight, operated by American Airlines.(AA 4417)
Daily 20:20 Chicago O'Hare (ORD) 3 22:58 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-12-26 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4417)
Daily 20:20 Chicago O'Hare (ORD) 3 22:49 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 175 (E75) 2:29 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 4417)
Daily 20:20 Chicago O'Hare (ORD) 3 22:46 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 175 (E75) 2:26 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 4417)
Daily 20:30 Chicago O'Hare (ORD) 3 23:00 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:30 Effective 2025-05-05 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 3500)
Daily 20:30 Chicago O'Hare (ORD) 3 23:00 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:30 Effective 2025-05-25 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 3500)
Daily 20:32 Chicago O'Hare (ORD) 3 23:07 Oklahoma City (OKC)
EI 7404 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:35 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4417)
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Aer Lingus flight EI 7404:
Chicago O'Hare - Oklahoma City
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:
Aer Lingus EI7404
16:30
Chicago O'Hare (ORD) 3

18:43
Oklahoma City (OKC)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6481)
Duration: 2:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
16:40
Chicago O'Hare (ORD) 3

18:54
Oklahoma City (OKC)
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6481)
Duration: 2:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
18:34
Chicago O'Hare (ORD) 3

20:57
Oklahoma City (OKC)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6487)
Duration: 2:23, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
18:34
Chicago O'Hare (ORD) 3

20:57
Oklahoma City (OKC)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6493)
Duration: 2:23, non-stop
Canadair CRJ 700 (CR7)
Aer Lingus EI7404
18:34
Chicago O'Hare (ORD) 3

20:57
Oklahoma City (OKC)
Operates only on 2025-09-03
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6493)
Duration: 2:23, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
18:34
Chicago O'Hare (ORD) 3

20:57
Oklahoma City (OKC)
Effective 2025-09-04 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6493)
Duration: 2:23, non-stop
Canadair CRJ 700 (CR7)
Aer Lingus EI7404
18:36
Chicago O'Hare (ORD) 3

21:00
Oklahoma City (OKC)
Effective 2025-06-05 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6487)
Duration: 2:24, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
18:36
Chicago O'Hare (ORD) 3

21:00
Oklahoma City (OKC)
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6487)
Duration: 2:24, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
18:50
Chicago O'Hare (ORD) 3

21:18
Oklahoma City (OKC)
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3500)
Duration: 2:28, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:51
Oklahoma City (OKC)
Operates only on 2025-10-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6493)
Duration: 2:31, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:51
Oklahoma City (OKC)
Effective 2025-10-07 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6493)
Duration: 2:31, non-stop
Canadair CRJ 700 (CR7)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:47
Oklahoma City (OKC)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3617)
Duration: 2:27, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:49
Oklahoma City (OKC)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4417)
Duration: 2:29, non-stop
Embraer EMB 175 (E75)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:58
Oklahoma City (OKC)
Effective 2025-12-18 through 2025-12-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4417)
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:58
Oklahoma City (OKC)
Effective 2025-12-26 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4417)
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:49
Oklahoma City (OKC)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4417)
Duration: 2:29, non-stop
Embraer EMB 175 (E75)
Aer Lingus EI7404
20:20
Chicago O'Hare (ORD) 3

22:46
Oklahoma City (OKC)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4417)
Duration: 2:26, non-stop
Embraer EMB 175 (E75)
Aer Lingus EI7404
20:30
Chicago O'Hare (ORD) 3

23:00
Oklahoma City (OKC)
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3500)
Duration: 2:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
20:30
Chicago O'Hare (ORD) 3

23:00
Oklahoma City (OKC)
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3500)
Duration: 2:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Aer Lingus EI7404
20:32
Chicago O'Hare (ORD) 3

23:07
Oklahoma City (OKC)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4417)
Duration: 2:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
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  • EI 7404 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Oklahoma City airport (OKC).
  • The flight distance is 692 miles, or 1113 km.
  • The timezone of both the departure and the arrival airports is UTC-6 (plus 1h DST). Current time at both airports is 10:24pm.
  • For direct flights, the flight time varies between 2:13 and 2:38.
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