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DL20 Flight Status ( Seattle to London )

EXPECTED TO ARRIVE IN 7 HOUR 38 MINUTES
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Departure (DL20 Flight Schedule)

Seattle Tacoma Intl ()

flag Seattle, United States

21:45 PDT

Mon 11-May-2026

 LATE 18 min
PDT 00:00:00 DAY
arr   

Arrival (DL20 Flight Schedule)

Heathrow ()

flag London, United Kingdom

15:35 BST

Tue 12-May-2026

 EARLY 1 hour 10 min
BST 00:00:00 DAY

Flight Radar Checker DL 20

Live Flight Tracker Map

Flight DL20 from Seattle to London is operated by Delta Air Lines. Scheduled time of departure from Seattle Tacoma Intl is 21:45 PDT and scheduled time of arrival in Heathrow is 15:35 BST. The duration of the flight is 9 hours 50 minutes.
 

 

4.4 out of 5 stars / 16 votes

Flight Finder
from London to Seattle

Flight Departure Arrival

11:35		 Heathrow
()		 Seattle Tacoma Intl
()

14:00		 Heathrow
()		 Seattle Tacoma Intl
()

18:25		 Heathrow
()		 Seattle Tacoma Intl
()

20:11		 Heathrow
()		 Seattle Tacoma Intl
()

History Flight Information for DL20 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Tue, 12 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST
Mon, 11 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:18 PDT 06:45 BST
Sun, 10 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 14:42 BST
Sat, 09 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 14:49 BST
Fri, 08 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:24 PDT 15:24 BST
Thu, 07 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:46 PDT 15:12 BST
Wed, 06 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:57 PDT 15:18 BST
Tue, 05 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 14:55 BST
Mon, 04 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:17 PDT 15:35 BST
Sun, 03 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:05 BST
Sat, 02 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 01:27 PDT 10:49 BST
Fri, 01 May DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:57 PDT 15:07 BST
Thu, 30 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 00:20 PDT 17:10 BST
Wed, 29 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:01 PDT 15:11 BST
Tue, 28 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:57 PDT 15:17 BST
Mon, 27 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:02 PDT 15:21 BST
Sun, 26 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:34 BST
Sat, 25 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:02 PDT 15:02 BST
Fri, 24 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:58 PDT 15:09 BST
Thu, 23 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 06:01 PDT 15:19 BST
Wed, 22 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:55 PDT 15:23 BST
Tue, 21 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:04 PDT 15:19 BST
Mon, 20 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:58 PDT 15:15 BST
Sun, 19 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:08 PDT 15:24 BST
Sat, 18 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:47 PDT 14:48 BST
Fri, 17 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:56 PDT 14:49 BST
Thu, 16 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:12 BST
Wed, 15 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:57 PDT 14:51 BST
Tue, 14 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:08 PDT 15:05 BST
Mon, 13 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:02 PDT 15:25 BST
Sun, 12 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 14:46 BST
Sat, 11 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:58 PDT 15:11 BST
Thu, 09 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST
Wed, 08 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:08 PDT 15:09 BST
Tue, 07 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:08 PDT 15:18 BST
Mon, 06 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:02 BST
Sun, 05 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:08 BST
Sat, 04 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:54 PDT 14:31 BST
Fri, 03 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:09 PDT 15:08 BST
Thu, 02 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 06:03 PDT 15:22 BST
Wed, 01 Apr DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:54 PDT 14:51 BST
Tue, 31 Mar DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:01 PDT 15:02 BST
Flight DL20 delayed 1 times during the last month, and the average delay time was 95 minutes.

Disclaimer for DL20 Flight Radar Data

Flight DL20 from Seattle Tacoma Intl to Heathrow 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 DL20 data.
  1. PlaneMapper
  2. Flights
  3. Delta Air Lines
  4. DL20