Austrian flight OS 7991: Denver - London Heathrow

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 17:30 Denver (DEN) 09:40 London Heathrow (LHR) 2
OS 7991 Non-stop Boeing 787 (787) 9:10 Valid until 2024-09-02
Codeshare flight, operated by United Airlines.(UA 27)
The flight arrives 1 day after departure.
Daily 17:30 Denver (DEN) 09:40 London Heathrow (LHR) 2
OS 7991 Non-stop Boeing 787 (787) 9:10 Effective from 2025-05-23
Codeshare flight, operated by United Airlines.(UA 27)
The flight arrives 1 day after departure.
Daily 17:35 Denver (DEN) 09:40 London Heathrow (LHR) 2
OS 7991 Non-stop Boeing 787 (787) 9:05 Effective 2024-09-03 through 2024-10-25
Codeshare flight, operated by United Airlines.(UA 27)
The flight arrives 1 day after departure.
Daily 17:35 Denver (DEN) 09:40 London Heathrow (LHR) 2
OS 7991 Non-stop Boeing 787 (787) 9:05 Effective 2024-11-03 through 2025-03-08
Codeshare flight, operated by United Airlines.(UA 27)
The flight arrives 1 day after departure.
Daily 17:40 Denver (DEN) 09:40 London Heathrow (LHR) 2
OS 7991 Non-stop Boeing 787 (787) 9:00 Effective 2025-03-29 through 2025-05-22
Codeshare flight, operated by United Airlines.(UA 27)
The flight arrives 1 day after departure.
Daily 18:35 Denver (DEN) 09:40 London Heathrow (LHR) 2
OS 7991 Non-stop Boeing 787 (787) 9:05 Effective 2024-10-26 through 2024-11-02
Codeshare flight, operated by United Airlines.(UA 27)
The flight arrives 1 day after departure.
Daily 18:35 Denver (DEN) 09:40 London Heathrow (LHR) 2
OS 7991 Non-stop Boeing 787 (787) 9:05 Effective 2025-03-09 through 2025-03-28
Codeshare flight, operated by United Airlines.(UA 27)
The flight arrives 1 day after departure.
Austrian flight OS 7991:
Denver - London Heathrow
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Austrian OS7991
Valid until 2024-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 27)
Duration: 9:10, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Austrian OS7991
Effective from 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 27)
Duration: 9:10, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Austrian OS7991
Effective 2024-09-03 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 27)
Duration: 9:05, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Austrian OS7991
Effective 2024-11-03 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 27)
Duration: 9:05, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Austrian OS7991
Effective 2025-03-29 through 2025-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 27)
Duration: 9:00, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Austrian OS7991
Effective 2024-10-26 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 27)
Duration: 9:05, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.

Austrian OS7991
Effective 2025-03-09 through 2025-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 27)
Duration: 9:05, non-stop
Boeing 787 (787)
The flight arrives 1 day after departure.
  • OS 7991 is an international flight departing from Denver airport, United States (DEN) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 4655 miles, or 7492 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC+0 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 9:00 and 9:10.