British Airways flight BA 6603: Milwaukee - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 11:19 Milwaukee (MKE) 12:28 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Embraer EMB 175 (E75) 1:09 Valid until 2026-01-03
Codeshare flight, operated by American Airlines.(AA 4461)
Mon,Tue,Thu,Fri,Sun 12:11 Milwaukee (MKE) 13:20 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:09 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 6360)
Wed 12:43 Milwaukee (MKE) 13:52 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:09 Operates only on 2026-04-01
Codeshare flight, operated by American Airlines.(AA 6360)
Daily 13:04 Milwaukee (MKE) 14:20 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:16 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3786)
Daily 13:05 Milwaukee (MKE) 14:08 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:03 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 6243)
Mon,Wed-Fri,Sun 13:52 Milwaukee (MKE) 15:09 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:17 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3390)
Daily 15:03 Milwaukee (MKE) 16:10 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:07 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 4990)
Daily 15:05 Milwaukee (MKE) 16:10 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:05 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 6270)
Daily 15:13 Milwaukee (MKE) 16:10 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 0:57 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 6324)
Sun 16:21 Milwaukee (MKE) 17:40 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:19 Operates only on 2026-02-15
Codeshare flight, operated by American Airlines.(AA 5532)
Mon,Thu-Sat 16:46 Milwaukee (MKE) 18:05 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:19 Effective 2026-02-12 through 2026-02-21
Codeshare flight, operated by American Airlines.(AA 5532)
Mon,Thu-Sun 16:46 Milwaukee (MKE) 18:05 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:19 Effective 2026-02-22 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 5532)
Daily 16:47 Milwaukee (MKE) 18:00 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:13 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by American Airlines.(AA 5532)
Tue 16:58 Milwaukee (MKE) 17:57 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 0:59 Effective 2026-02-17 through 2026-03-03
Codeshare flight, operated by American Airlines.(AA 5532)
Daily 20:16 Milwaukee (MKE) 21:30 Chicago O'Hare (ORD) 3
BA 6603 Non-stop Canadair CRJ 700 (CR7) 1:14 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 6507)
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British Airways flight BA 6603:
Milwaukee - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
British Airways BA6603
11:19
Milwaukee (MKE)

12:28
Chicago O'Hare (ORD) 3
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4461)
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA6603
12:11
Milwaukee (MKE)

13:20
Chicago O'Hare (ORD) 3
Effective 2026-03-29 through 2026-04-06
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6360)
Duration: 1:09, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
12:43
Milwaukee (MKE)

13:52
Chicago O'Hare (ORD) 3
Operates only on 2026-04-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6360)
Duration: 1:09, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
13:04
Milwaukee (MKE)

14:20
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3786)
Duration: 1:16, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
British Airways BA6603
13:05
Milwaukee (MKE)

14:08
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6243)
Duration: 1:03, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
13:52
Milwaukee (MKE)

15:09
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3390)
Duration: 1:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
British Airways BA6603
15:03
Milwaukee (MKE)

16:10
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4990)
Duration: 1:07, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
15:05
Milwaukee (MKE)

16:10
Chicago O'Hare (ORD) 3
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6270)
Duration: 1:05, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
15:13
Milwaukee (MKE)

16:10
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6324)
Duration: 0:57, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
16:21
Milwaukee (MKE)

17:40
Chicago O'Hare (ORD) 3
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5532)
Duration: 1:19, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
16:46
Milwaukee (MKE)

18:05
Chicago O'Hare (ORD) 3
Effective 2026-02-12 through 2026-02-21
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5532)
Duration: 1:19, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
16:46
Milwaukee (MKE)

18:05
Chicago O'Hare (ORD) 3
Effective 2026-02-22 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5532)
Duration: 1:19, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
16:47
Milwaukee (MKE)

18:00
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5532)
Duration: 1:13, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
16:58
Milwaukee (MKE)

17:57
Chicago O'Hare (ORD) 3
Effective 2026-02-17 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5532)
Duration: 0:59, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
British Airways BA6603
20:16
Milwaukee (MKE)

21:30
Chicago O'Hare (ORD) 3
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6507)
Duration: 1:14, non-stop
Canadair CRJ 700 (CR7)
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  • BA 6603 is a domestic flight departing from the Milwaukee airport (MKE) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 67 miles, or 108 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 0:57 and 1:19.
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