UA939 United Airlines - Flight Status
Codeshare Flights
The flight OS7911 from Austrian (OS) is a codeshare flight operated by United Airlines (UA) under the flight number UA939. Check this page for details about flight UA939.
Below, you can find details about United Airlines flight UA939, which currently operates between the airports of London - London Heathrow Airport (Airport Code LHR) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Monday, June 09, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA939
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA939
UA939 On Time performance:
91
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
UA939 United Airlines to San Francisco
En Route - On-time
Flight Status for Monday June 09, 2025
This flight was also scheduled for Yesterday (June 08, 2025). See it here
This flight is also scheduled for Tomorrow (June 10, 2025). See it here
En Route - On-time
Flight Status for Monday June 09, 2025
Airline information
United Airlines
Equipment: Boeing 787-9
Departure
London (LHR)
June 09, 2025
London Heathrow Airport
Departed at:
16:03
Terminal:
2
Gate:
B32
Scheduled Departure Time: 16:15
Arrival
San Francisco (SFO)
June 09, 2025
San Francisco International Airport
Estimated Arrival Time:
18:55
Terminal:
I
Gate:
G1
Scheduled Arrival Time: 19:10
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-london-heathrow.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC3716 - Air Canada
- LH8572 - Lufthansa
- LX3122 - Swiss
- OS7911 - Austrian
- SN9106 - Brussels Airlines
Additional Information
Which is the frequency of flight UA939?
The flight UA939 is scheduled to flight on daily basis.
Which is the distance of flight UA939?
The distance between the two airports is 8620 kilometers.
Which is the flight time of flight UA939?
The scheduled flight time gate to gate is: 10:55 hours.
The real flight time gate to gate on average is: 10:50 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in London: 2025-06-09 20:25:23
Current Time in San Francisco: 2025-06-09 12:25:23
The flight UA939 is scheduled to flight on daily basis.
Which is the distance of flight UA939?
The distance between the two airports is 8620 kilometers.
Which is the flight time of flight UA939?
The scheduled flight time gate to gate is: 10:55 hours.
The real flight time gate to gate on average is: 10:50 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in London: 2025-06-09 20:25:23
Current Time in San Francisco: 2025-06-09 12:25:23
Alternative Flights
The following airlines serves the same route between London and San Francisco:
British Airways
- Flight Number: BA285. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: BA287. (On Time performance: 82 - Average Delay: 11 minutes)
United Airlines
- Flight Number: UA900. (On Time performance: 88 - Average Delay: 8 minutes)
- Flight Number: UA949. (On Time performance: 87 - Average Delay: 5 minutes)
Virgin Atlantic
- Flight Number: VS19. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: VS41. (On Time performance: 79 - Average Delay: 12 minutes)
British Airways
- Flight Number: BA285. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: BA287. (On Time performance: 82 - Average Delay: 11 minutes)
United Airlines
- Flight Number: UA900. (On Time performance: 88 - Average Delay: 8 minutes)
- Flight Number: UA949. (On Time performance: 87 - Average Delay: 5 minutes)
Virgin Atlantic
- Flight Number: VS19. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: VS41. (On Time performance: 79 - Average Delay: 12 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 30, 2025 to June 07, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from June 02, 2024 to May 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 30, 2025 to June 07, 2025, we have obtained these figures.
Total number of flights: 70
On Time: 64 ( 91 % )
Moderate Delay: 2 ( 3 % )
Significant Delay: 2 ( 3 % )
Major Delay: 2 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 2 minutes.
Total number of flights: 70
On Time: 64 ( 91 % )
Moderate Delay: 2 ( 3 % )
Significant Delay: 2 ( 3 % )
Major Delay: 2 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 2 minutes.
Last Past Flights UA939
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
08 June
08 June
16:11
London (LHR)
London (LHR)
19:12
San Francisco (SFO)
San Francisco (SFO)
11h 01min
Boeing 787-9
Boeing 787-9
Landed - On-time
Saturday
07 June
07 June
16:20
London (LHR)
London (LHR)
19:02
San Francisco (SFO)
San Francisco (SFO)
10h 42min
Boeing 787-9
Boeing 787-9
Landed - On-time
Friday
06 June
06 June
16:09
London (LHR)
London (LHR)
18:47
San Francisco (SFO)
San Francisco (SFO)
10h 38min
Boeing 787-9
Boeing 787-9
Landed - On-time
Thursday
05 June
05 June
16:09
London (LHR)
London (LHR)
18:26
San Francisco (SFO)
San Francisco (SFO)
10h 17min
Boeing 787-9
Boeing 787-9
Landed - On-time
Wednesday
04 June
04 June
16:08
London (LHR)
London (LHR)
18:30
San Francisco (SFO)
San Francisco (SFO)
10h 22min
Boeing 787-9
Boeing 787-9
Landed - On-time
Tuesday
03 June
03 June
16:26
London (LHR)
London (LHR)
19:05
San Francisco (SFO)
San Francisco (SFO)
10h 39min
Boeing 787-9
Boeing 787-9
Landed - On-time
Monday
02 June
02 June
16:18
London (LHR)
London (LHR)
18:50
San Francisco (SFO)
San Francisco (SFO)
10h 32min
Boeing 787-9
Boeing 787-9
Landed - On-time
Sunday
01 June
01 June
16:15
London (LHR)
London (LHR)
19:01
San Francisco (SFO)
San Francisco (SFO)
10h 46min
Boeing 787-9
Boeing 787-9
Landed - On-time
Saturday
31 May
31 May
16:15
London (LHR)
London (LHR)
18:51
San Francisco (SFO)
San Francisco (SFO)
10h 36min
Boeing 787-9
Boeing 787-9
Landed - On-time
Friday
30 May
30 May
16:14
London (LHR)
London (LHR)
18:46
San Francisco (SFO)
San Francisco (SFO)
10h 32min
Boeing 787-9
Boeing 787-9
Landed - On-time