Iberia flight IB 8343: Chicago O'Hare - Buffalo

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 15:40 Chicago O'Hare (ORD) 3 18:19 Buffalo (BUF)
IB 8343 Non-stop Embraer EMB 175 (E75) 1:39 Operates only on 2026-04-04
Codeshare flight, operated by American Airlines.(AA 3382)
Sat 16:29 Chicago O'Hare (ORD) 3 19:16 Buffalo (BUF)
IB 8343 Non-stop Embraer EMB 175 (E75) 1:47 Operates only on 2026-01-17
Codeshare flight, operated by American Airlines.(AA 4402)
Daily 16:45 Chicago O'Hare (ORD) 3 19:16 Buffalo (BUF)
IB 8343 Non-stop Boeing 737-800 (738) 1:31 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 403)
Daily 16:45 Chicago O'Hare (ORD) 3 19:21 Buffalo (BUF)
IB 8343 Non-stop Boeing 737-800 (738) 1:36 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 403)
Daily 18:30 Chicago O'Hare (ORD) 3 21:13 Buffalo (BUF)
IB 8343 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 4423)
Fri 19:54 Chicago O'Hare (ORD) 3 22:49 Buffalo (BUF)
IB 8343 Non-stop Embraer EMB 175 (E75) 1:55 Valid until 2026-01-02
Codeshare flight, operated by American Airlines.(AA 4572)
Mon,Tue,Sun 20:05 Chicago O'Hare (ORD) 3 22:44 Buffalo (BUF)
IB 8343 Non-stop Airbus A319 (319) 1:39 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1460)
Thu 20:19 Chicago O'Hare (ORD) 3 22:57 Buffalo (BUF)
IB 8343 Non-stop Airbus A319 (319) 1:38 Operates only on 2026-01-01
Codeshare flight, operated by American Airlines.(AA 1460)
Daily 21:05 Chicago O'Hare (ORD) 3 23:48 Buffalo (BUF)
IB 8343 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-01-06 through 2026-01-16
Codeshare flight, operated by American Airlines.(AA 4402)
Mon,Tue,Thu-Sun 21:05 Chicago O'Hare (ORD) 3 23:48 Buffalo (BUF)
IB 8343 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-01-18 through 2026-02-01
Codeshare flight, operated by American Airlines.(AA 4402)
Tue,Thu-Sun 21:05 Chicago O'Hare (ORD) 3 23:48 Buffalo (BUF)
IB 8343 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-02-03 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 4402)
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Iberia flight IB 8343:
Chicago O'Hare - Buffalo
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB8343
15:40
Chicago O'Hare (ORD) 3

18:19
Buffalo (BUF)
Operates only on 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3382)
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8343
16:29
Chicago O'Hare (ORD) 3

19:16
Buffalo (BUF)
Operates only on 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4402)
Duration: 1:47, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8343
16:45
Chicago O'Hare (ORD) 3

19:16
Buffalo (BUF)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 403)
Duration: 1:31, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB8343
16:45
Chicago O'Hare (ORD) 3

19:21
Buffalo (BUF)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 403)
Duration: 1:36, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB8343
18:30
Chicago O'Hare (ORD) 3

21:13
Buffalo (BUF)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4423)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8343
19:54
Chicago O'Hare (ORD) 3

22:49
Buffalo (BUF)
Valid until 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4572)
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8343
20:05
Chicago O'Hare (ORD) 3

22:44
Buffalo (BUF)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1460)
Duration: 1:39, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB8343
20:19
Chicago O'Hare (ORD) 3

22:57
Buffalo (BUF)
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1460)
Duration: 1:38, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB8343
21:05
Chicago O'Hare (ORD) 3

23:48
Buffalo (BUF)
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4402)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8343
21:05
Chicago O'Hare (ORD) 3

23:48
Buffalo (BUF)
Effective 2026-01-18 through 2026-02-01
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4402)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8343
21:05
Chicago O'Hare (ORD) 3

23:48
Buffalo (BUF)
Effective 2026-02-03 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4402)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
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Parallax here ORD-BUF
  • IB 8343 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Buffalo airport (BUF).
  • The flight distance is 472 miles, or 759 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 1:31 and 1:55.
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