Air Canada flight AC 4059: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 13:35 Denver (DEN) 15:16 Billings (BIL)
AC 4059 Non-stop Canadair CRJ 550 (CR5) 1:41 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 5845)
Mon-Thu 13:40 Denver (DEN) 15:20 Billings (BIL)
AC 4059 Non-stop Canadair CRJ 700 (CR7) 1:40 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 5845)
Fri-Sun 13:40 Denver (DEN) 15:22 Billings (BIL)
AC 4059 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-01-09 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 5845)
Daily 22:59 San Francisco (SFO) 3 00:50 Las Vegas Harry Reid (LAS) 3
AC 4059 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2400)
The flight arrives 1 day after departure.
Mon,Tue,Thu-Sun 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
AC 4059 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 504)
The flight arrives 1 day after departure.
Mon 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
AC 4059 Non-stop Boeing 737 MAX 9 (7M9) 1:42 Operates only on 2026-01-05
Codeshare flight, operated by United Airlines.(UA 504)
The flight arrives 1 day after departure.
Daily 23:15 San Francisco (SFO) 3 00:58 Las Vegas Harry Reid (LAS) 3
AC 4059 Non-stop Boeing 737 MAX 8 (7M8) 1:43 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2400)
The flight arrives 1 day after departure.
Daily 23:15 San Francisco (SFO) 3 01:06 Las Vegas Harry Reid (LAS) 3
AC 4059 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2400)
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 4059: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4059
13:35
Denver (DEN)

15:16
Billings (BIL)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5845)
Duration: 1:41, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4059
13:40
Denver (DEN)

15:20
Billings (BIL)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5845)
Duration: 1:40, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Air Canada AC4059
13:40
Denver (DEN)

15:22
Billings (BIL)
Effective 2026-01-09 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5845)
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4059
22:59
San Francisco (SFO) 3

00:50(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2400)
Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4059
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 504)
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4059
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 504)
Duration: 1:42, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4059
23:15
San Francisco (SFO) 3

00:58(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2400)
Duration: 1:43, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC4059
23:15
San Francisco (SFO) 3

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2400)
Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Billings (BIL)
  • San Francisco (SFO) - Las Vegas Harry Reid (LAS)
All Air Canada flights
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