Air Canada flight AC 3818: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Fri 08:40 Chicago O'Hare (ORD) 1 10:33 Denver (DEN)
AC 3818 Non-stop Boeing 777 (777) 2:53 Operates only on 2026-02-13
Codeshare flight, operated by United Airlines.(UA 1049)
Sat 08:40 Chicago O'Hare (ORD) 1 10:33 Denver (DEN)
AC 3818 Non-stop Boeing 777 (777) 2:53 Operates only on 2026-02-21
Codeshare flight, operated by United Airlines.(UA 1049)
Tue,Thu,Sat 08:40 Chicago O'Hare (ORD) 1 10:33 Denver (DEN)
AC 3818 Non-stop Boeing 777 (777) 2:53 Effective 2026-03-10 through 2026-03-14
Codeshare flight, operated by United Airlines.(UA 1049)
Fri,Sun 08:40 Chicago O'Hare (ORD) 1 10:33 Denver (DEN)
AC 3818 Non-stop Boeing 777 (777) 2:53 Effective 2026-03-20 through 2026-03-22
Codeshare flight, operated by United Airlines.(UA 1049)
Thu,Sat 08:45 Chicago O'Hare (ORD) 1 10:35 Denver (DEN)
AC 3818 Non-stop Boeing 777 (777) 2:50 Valid until 2026-01-03
Codeshare flight, operated by United Airlines.(UA 671)
Thu 08:45 Chicago O'Hare (ORD) 1 10:35 Denver (DEN)
AC 3818 Non-stop Boeing 757-300 (753) 2:50 Operates only on 2026-01-29
Codeshare flight, operated by United Airlines.(UA 1049)
Mon,Fri 08:55 Chicago O'Hare (ORD) 1 10:30 Denver (DEN)
AC 3818 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-03-30 through 2026-04-03
Codeshare flight, operated by United Airlines.(UA 250)
Tue-Thu,Sat,Sun 22:05 Washington Dulles (IAD) 00:10 Montreal-Trudeau (YUL)
AC 3818 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2026-03-29 through 2026-04-05
Codeshare flight, operated by United Airlines.(UA 3445)
The flight arrives 1 day after departure.
Daily 22:05 Washington Dulles (IAD) 00:10 Montreal-Trudeau (YUL)
AC 3818 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2026-04-06 through 2026-06-24
Codeshare flight, operated by United Airlines.(UA 3445)
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 3818: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3818
08:40
Chicago O'Hare (ORD) 1

10:33
Denver (DEN)
Operates only on 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1049)
Duration: 2:53, non-stop
Boeing 777 (777)
Direct Codeshare Flights:
Air Canada AC3818
08:40
Chicago O'Hare (ORD) 1

10:33
Denver (DEN)
Operates only on 2026-02-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1049)
Duration: 2:53, non-stop
Boeing 777 (777)
Direct Codeshare Flights:
Air Canada AC3818
08:40
Chicago O'Hare (ORD) 1

10:33
Denver (DEN)
Effective 2026-03-10 through 2026-03-14
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1049)
Duration: 2:53, non-stop
Boeing 777 (777)
Direct Codeshare Flights:
Air Canada AC3818
08:40
Chicago O'Hare (ORD) 1

10:33
Denver (DEN)
Effective 2026-03-20 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1049)
Duration: 2:53, non-stop
Boeing 777 (777)
Direct Codeshare Flights:
Air Canada AC3818
08:45
Chicago O'Hare (ORD) 1

10:35
Denver (DEN)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 671)
Duration: 2:50, non-stop
Boeing 777 (777)
Direct Codeshare Flights:
Air Canada AC3818
08:45
Chicago O'Hare (ORD) 1

10:35
Denver (DEN)
Operates only on 2026-01-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1049)
Duration: 2:50, non-stop
Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC3818
08:55
Chicago O'Hare (ORD) 1

10:30
Denver (DEN)
Effective 2026-03-30 through 2026-04-03
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 250)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3818
22:05
Washington Dulles (IAD)

00:10(+1)
Montreal-Trudeau (YUL)
Effective 2026-03-29 through 2026-04-05
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3445)
Duration: 2:05, non-stop
Embraer EMB 175 (E7W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3818
22:05
Washington Dulles (IAD)

00:10(+1)
Montreal-Trudeau (YUL)
Effective 2026-04-06 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3445)
Duration: 2:05, non-stop
Embraer EMB 175 (E7W)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Denver (DEN)
  • Washington Dulles (IAD) - Montreal-Trudeau (YUL)
All Air Canada flights
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