United Airlines flight UA 8586: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Fri,Sat 18:00 Calgary (YYC) 10:10 London Heathrow (LHR) 2
UA 8586 Non-stop Boeing 777-300ER (77W) 9:10 Effective 2026-02-13 through 2026-02-21
Codeshare flight, operated by Air Canada.(AC 850)
The flight arrives 1 day after departure.
Daily 18:25 Calgary (YYC) 10:10 London Heathrow (LHR) 2
UA 8586 Non-stop Boeing 787-8 (788) 8:45 Valid until 2026-02-12
Codeshare flight, operated by Air Canada.(AC 850)
The flight arrives 1 day after departure.
Mon-Thu,Sun 18:25 Calgary (YYC) 10:10 London Heathrow (LHR) 2
UA 8586 Non-stop Boeing 787-8 (788) 8:45 Effective 2026-02-15 through 2026-02-26
Codeshare flight, operated by Air Canada.(AC 850)
The flight arrives 1 day after departure.
Daily 18:25 Calgary (YYC) 10:10 London Heathrow (LHR) 2
UA 8586 Non-stop Boeing 787-8 (788) 8:45 Effective 2026-02-27 through 2026-03-07
Codeshare flight, operated by Air Canada.(AC 850)
The flight arrives 1 day after departure.
Daily 19:25 Calgary (YYC) 10:10 London Heathrow (LHR) 2
UA 8586 Non-stop Boeing 787-8 (788) 8:45 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by Air Canada.(AC 850)
The flight arrives 1 day after departure.
Daily 19:25 Calgary (YYC) 10:10 London Heathrow (LHR) 2
UA 8586 Non-stop Boeing 787-8 (788) 8:45 Effective from 2026-10-25
Codeshare flight, operated by Air Canada.(AC 850)
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat,Sun 21:50 Montreal-Trudeau (YUL) 11:00 Frankfurt (FRA) 1
UA 8586 Non-stop Boeing 787-8 (788) 7:10 Effective 2026-06-17 through 2026-08-13
Codeshare flight, operated by Air Canada.(AC 846)
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat,Sun 21:50 Montreal-Trudeau (YUL) 11:00 Frankfurt (FRA) 1
UA 8586 Non-stop Boeing 787-8 (788) 7:10 Effective 2026-08-16 through 2026-09-07
Codeshare flight, operated by Air Canada.(AC 846)
The flight arrives 1 day after departure.
Mon,Thu,Sun 21:50 Montreal-Trudeau (YUL) 11:00 Frankfurt (FRA) 1
UA 8586 Non-stop Boeing 787-8 (788) 7:10 Effective 2026-09-10 through 2026-09-28
Codeshare flight, operated by Air Canada.(AC 846)
The flight arrives 1 day after departure.
Sat 23:10 Toronto Pearson (YYZ) 1 08:45 Keflavik, Reykjavik (KEF)
UA 8586 Non-stop Boeing 737 MAX 8 (7M8) 5:35 Operates only on 2026-08-15
Codeshare flight, operated by Air Canada.(AC 914)
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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United Airlines flight UA 8586: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA8586
18:00
Calgary (YYC)

10:10(+1)
London Heathrow (LHR) 2
Effective 2026-02-13 through 2026-02-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Air Canada. (AC 850)
Duration: 9:10, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
18:25
Calgary (YYC)

10:10(+1)
London Heathrow (LHR) 2
Valid until 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 850)
Duration: 8:45, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
18:25
Calgary (YYC)

10:10(+1)
London Heathrow (LHR) 2
Effective 2026-02-15 through 2026-02-26
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Air Canada. (AC 850)
Duration: 8:45, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
18:25
Calgary (YYC)

10:10(+1)
London Heathrow (LHR) 2
Effective 2026-02-27 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 850)
Duration: 8:45, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
19:25
Calgary (YYC)

10:10(+1)
London Heathrow (LHR) 2
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 850)
Duration: 8:45, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
19:25
Calgary (YYC)

10:10(+1)
London Heathrow (LHR) 2
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 850)
Duration: 8:45, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
21:50
Montreal-Trudeau (YUL)

11:00(+1)
Frankfurt (FRA) 1
Effective 2026-06-17 through 2026-08-13
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 846)
Duration: 7:10, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
21:50
Montreal-Trudeau (YUL)

11:00(+1)
Frankfurt (FRA) 1
Effective 2026-08-16 through 2026-09-07
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 846)
Duration: 7:10, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
21:50
Montreal-Trudeau (YUL)

11:00(+1)
Frankfurt (FRA) 1
Effective 2026-09-10 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Air Canada. (AC 846)
Duration: 7:10, non-stop
Boeing 787-8 (788)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA8586
23:10
Toronto Pearson (YYZ) 1

08:45(+1)
Keflavik, Reykjavik (KEF)
Operates only on 2026-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Air Canada. (AC 914)
Duration: 5:35, 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:
  • Calgary (YYC) - London Heathrow (LHR)
  • Montreal-Trudeau (YUL) - Frankfurt (FRA)
  • Toronto Pearson (YYZ) - Keflavik, Reykjavik (KEF)
All United Airlines flights
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