Air Canada flight AC 3663: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 17:40 San Jose (SJC) A 21:19 Denver (DEN)
AC 3663 Non-stop Boeing 737-900 (739) 2:39 Operates only on 2026-01-10
Codeshare flight, operated by United Airlines.(UA 1800)
Daily 18:30 San Jose (SJC) A 22:09 Denver (DEN)
AC 3663 Non-stop Boeing 737-800 (738) 2:39 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 1035)
Daily 18:35 San Jose (SJC) A 22:14 Denver (DEN)
AC 3663 Non-stop Boeing 737-800 (738) 2:39 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1035)
Daily 18:45 Los Angeles (LAX) 7 00:54 Chicago O'Hare (ORD) 1
AC 3663 Non-stop Airbus A321neo (32Q) 4:09 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 1754)
The flight arrives 1 day after departure.
Tue 18:50 Los Angeles (LAX) 7 00:58 Chicago O'Hare (ORD) 1
AC 3663 Non-stop Boeing 737 MAX 9 (7M9) 4:08 Operates only on 2026-01-06
Codeshare flight, operated by United Airlines.(UA 1754)
The flight arrives 1 day after departure.
Wed 18:50 Los Angeles (LAX) 7 00:58 Chicago O'Hare (ORD) 1
AC 3663 Non-stop Boeing 737 MAX 9 (7M9) 4:08 Operates only on 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1754)
The flight arrives 1 day after departure.
Thu 18:50 Los Angeles (LAX) 7 00:56 Chicago O'Hare (ORD) 1
AC 3663 Non-stop Boeing 757-300 (753) 4:06 Operates only on 2026-02-12
Codeshare flight, operated by United Airlines.(UA 1754)
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 18:50 Los Angeles (LAX) 7 00:58 Chicago O'Hare (ORD) 1
AC 3663 Non-stop Airbus A321neo (32Q) 4:08 Effective 2026-02-13 through 2026-03-06
Codeshare flight, operated by United Airlines.(UA 1754)
The flight arrives 1 day after departure.
Mon,Thu-Sun 18:50 Los Angeles (LAX) 7 00:58 Chicago O'Hare (ORD) 1
AC 3663 Non-stop Airbus A321neo (32Q) 4:08 Effective 2026-03-07 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 1754)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Air Canada flight AC 3663: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3663
17:40
San Jose (SJC) A

21:19
Denver (DEN)
Operates only on 2026-01-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1800)
Duration: 2:39, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3663
18:30
San Jose (SJC) A

22:09
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1035)
Duration: 2:39, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3663
18:35
San Jose (SJC) A

22:14
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1035)
Duration: 2:39, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3663
18:45
Los Angeles (LAX) 7

00:54(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1754)
Duration: 4:09, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3663
18:50
Los Angeles (LAX) 7

00:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1754)
Duration: 4:08, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3663
18:50
Los Angeles (LAX) 7

00:58(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1754)
Duration: 4:08, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3663
18:50
Los Angeles (LAX) 7

00:56(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1754)
Duration: 4:06, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3663
18:50
Los Angeles (LAX) 7

00:58(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-13 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1754)
Duration: 4:08, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3663
18:50
Los Angeles (LAX) 7

00:58(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-07 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1754)
Duration: 4:08, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Los Angeles (LAX) - Chicago O'Hare (ORD)
  • San Jose (SJC) - Denver (DEN)
All Air Canada flights
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