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UA939 Flight Status ( London to San Francisco )

SCHEDULED TO ARRIVE IN 10 HOUR 35 MINUTES
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Departure (UA939 Flight Schedule)

Heathrow ()

flag London, United Kingdom

16:15 BST

Tue 11-Aug-2026

 
BST 00:00:00 DAY
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Arrival (UA939 Flight Schedule)

San Francisco Intl ()

flag San Francisco, United States

19:10 PDT

Tue 11-Aug-2026

 
PDT 00:00:00 DAY

Flight Radar Checker UA 939

Live Flight Tracker Map

Flight UA939 from London to San Francisco is operated by United Airlines. Scheduled time of departure from Heathrow is 16:15 BST and scheduled time of arrival in San Francisco Intl is 19:10 PDT. The duration of the flight is 10 hours 55 minutes.

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Flight Finder
from San Francisco to London

Flight Departure Arrival

07:25		 San Francisco Intl
()		 Heathrow
()

11:00		 San Francisco Intl
()		 Heathrow
()

11:10		 San Francisco Intl
()		 Heathrow
()

12:15		 San Francisco Intl
()		 Heathrow
()

13:55		 San Francisco Intl
()		 Heathrow
()

14:10		 San Francisco Intl
()		 Heathrow
()

17:30		 San Francisco Intl
()		 Heathrow
()

History Flight Information for UA939 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Wed, 12 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT
Tue, 11 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT
Mon, 10 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:52 BST 18:56 PDT
Sun, 09 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:43 BST 18:53 PDT
Sat, 08 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 17:24 BST 19:17 PDT
Fri, 07 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 17:00 BST 18:53 PDT
Thu, 06 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:30 BST 18:27 PDT
Wed, 05 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:35 BST 18:55 PDT
Tue, 04 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:41 BST 18:35 PDT
Mon, 03 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:58 BST 19:37 PDT
Sun, 02 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:45 BST 19:26 PDT
Sat, 01 Aug UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:43 BST 19:11 PDT
Fri, 31 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:35 BST 16:47 PDT
Thu, 30 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:27 BST 18:43 PDT
Wed, 29 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:46 BST 19:00 PDT
Tue, 28 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:43 BST 19:00 PDT
Mon, 27 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:38 BST 19:05 PDT
Sun, 26 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:41 BST 19:12 PDT
Sat, 25 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 18:15 BST 20:53 PDT
Fri, 24 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 17:07 BST 19:22 PDT
Thu, 23 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:49 BST 19:07 PDT
Wed, 22 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 17:06 BST 19:12 PDT
Tue, 21 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:59 BST 19:19 PDT
Mon, 20 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 17:44 BST 20:00 PDT
Sun, 19 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:50 BST 19:09 PDT
Sat, 18 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:43 BST 19:04 PDT
Fri, 17 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:22 BST 18:32 PDT
Thu, 16 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:38 BST 18:59 PDT
Wed, 15 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:53 BST 19:28 PDT
Tue, 14 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 17:00 BST 19:21 PDT
Mon, 13 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 18:03 BST 20:38 PDT
Sun, 12 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:54 BST 19:11 PDT
Sat, 11 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:52 BST 19:15 PDT
Fri, 10 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:25 BST 19:14 PDT
Thu, 09 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:19 BST 18:53 PDT
Wed, 08 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:31 BST 18:41 PDT
Tue, 07 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:35 BST 18:58 PDT
Mon, 06 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:53 BST 19:16 PDT
Sun, 05 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:38 BST 18:55 PDT
Sat, 04 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:43 BST 19:09 PDT
Fri, 03 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT
Thu, 02 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:33 BST 18:46 PDT
Wed, 01 Jul UA939 Heathrow () San Francisco Intl () 16:15 BST 19:10 PDT 16:42 BST 19:20 PDT
Flight UA939 delayed 6 times during the last month, and the average delay time was 50 minutes.

Disclaimer for UA939 Flight Radar Data

Flight UA939 from Heathrow to San Francisco Intl data is collected from different sources. The data is for informational purposes only and PlaneMapper is not responsible for the accuracy and reliability of flight UA939 data.
  1. PlaneMapper
  2. Flights
  3. United Airlines
  4. UA939