Air Canada
flight
AC 4548:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2661)
Duration: 1:28, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-02-24 through 2026-03-03
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2661)
Duration: 1:28, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-02-25 through 2026-03-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2661)
Duration: 1:28, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4548
Operates only on 2026-02-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2661)
Duration: 1:27, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-05-01 through 2026-05-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-05-11 through 2026-05-18
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-05-22 through 2026-05-29
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-05-30 through 2026-06-08
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-06-10 through 2026-06-16
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-06-18 through 2026-06-24
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-06-26 through 2026-07-03
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-07-05 through 2026-07-11
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-07-13 through 2026-07-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-07-21 through 2026-07-28
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-07-31 through 2026-08-08
Mon
Tue
-
-
Wed
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-08-09 through 2026-08-16
Mon
-
-
Tue
Wed
-
-
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-08-17 through 2026-08-25
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-08-26 through 2026-09-01
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-09-03 through 2026-09-08
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-09-11 through 2026-09-18
Mon
Tue
-
-
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-09-20 through 2026-09-26
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-10-06 through 2026-10-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-10-14 through 2026-10-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4548
Effective 2026-10-22 through 2026-10-24
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Denver (DEN)
- San Francisco (SFO) - Ontario, Los Angeles (ONT)