British Airways
flight
BA 1878:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-03-29 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 457)
Duration: 1:22, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-05-21 through 2026-06-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2655)
Duration: 1:22, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2911)
Duration: 1:20, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:01, non-stop Airbus A321 (321)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 1:59, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:03, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-03-14 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:06, non-stop Airbus A321 (321)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:02, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:02, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:06, non-stop Airbus A321 (321)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-06-03 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 1:59, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:07, non-stop Airbus A321 (321)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-01-06 through 2026-02-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:03, non-stop Airbus A321 (321)
Direct Codeshare Flights:
British Airways BA1878
Operates only on 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:03, non-stop Airbus A319 (319)
Direct Codeshare Flights:
British Airways BA1878
Effective 2026-02-10 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 420)
Duration: 2:03, non-stop Airbus A321 (321)
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This flight number is listed as serving the following routes:
- Denver (DEN) - Dallas Fort Worth (DFW)
- Santa Ana (SNA) - Phoenix Sky Harbor (PHX)