Air Canada
flight
AC 4688:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4688
Effective 2026-01-10 through 2026-02-07
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Codeshare flight, operated by United Airlines.
(UA 1093)
Duration: 2:01, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC4688
Effective 2026-02-15 through 2026-03-01
Mon
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Codeshare flight, operated by United Airlines.
(UA 548)
Duration: 2:00, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC4688
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 5351)
Duration: 2:05, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4688
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4373)
Duration: 1:19, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4688
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4284)
Duration: 1:29, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4688
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 4284)
Duration: 1:20, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4688
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4284)
Duration: 1:16, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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This flight number is listed as serving the following routes:
- Greensboro/High Point (GSO) - Washington Dulles (IAD)
- Wichita (ICT) - Houston George Bush (IAH)