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DL20 Flight Status ( Seattle to London )

ARRIVED 11 HOUR 36 MINUTES AGO
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Departure (DL20 Flight Schedule)

Seattle Tacoma Intl ()

flag Seattle, United States

21:50 PDT

Sun 20-Sep-2026

 ON TIME
PDT 00:00:00 DAY
arr   

Arrival (DL20 Flight Schedule)

Heathrow ()

flag London, United Kingdom

15:35 BST

Mon 21-Sep-2026

 EARLY 1 hour 12 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 21:50 PDT and scheduled time of arrival in Heathrow is 15:35 BST. The duration of the flight is 9 hours 45 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
()

16:38		 Heathrow
()		 Seattle Tacoma Intl
()

18:25		 Heathrow
()		 Seattle Tacoma Intl
()

19:00		 Heathrow
()		 Seattle Tacoma Intl
()

20:10		 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
Mon, 21 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST
Sun, 20 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:56 PDT 07:33 BST
Sat, 19 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 04:38 PDT 14:54 BST
Fri, 18 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:56 PDT 15:26 BST
Thu, 17 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 22:14 PDT 15:07 BST
Wed, 16 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 06:14 PDT 15:22 BST
Tue, 15 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:50 PDT 14:33 BST
Mon, 14 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 22:01 PDT 14:45 BST
Sun, 13 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:59 PDT 15:20 BST
Sat, 12 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:59 PDT 15:30 BST
Fri, 11 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:49 PDT 14:51 BST
Thu, 10 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:51 PDT 14:36 BST
Wed, 09 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 22:09 PDT 14:49 BST
Tue, 08 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 22:10 PDT 15:07 BST
Mon, 07 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 05:46 PDT 14:50 BST
Sun, 06 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 05:45 PDT 15:04 BST
Sat, 05 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 04:41 PDT 15:14 BST
Fri, 04 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 22:35 PDT 15:26 BST
Thu, 03 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 06:49 PDT 15:57 BST
Wed, 02 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:54 PDT 15:04 BST
Tue, 01 Sep DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 22:05 PDT 15:02 BST
Mon, 31 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:17 PDT 14:55 BST
Sun, 30 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:51 PDT 14:42 BST
Sat, 29 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:19 PDT 15:56 BST
Fri, 28 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:20 PDT 15:19 BST
Thu, 27 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:59 PDT 15:05 BST
Wed, 26 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:14 BST
Tue, 25 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:59 PDT 15:10 BST
Mon, 24 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 06:12 PDT 15:25 BST
Sun, 23 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:08 BST
Sat, 22 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 05:59 PDT 15:16 BST
Fri, 21 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 04:24 PDT 14:54 BST
Thu, 20 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:26 PDT 15:27 BST
Wed, 19 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:56 PDT 14:53 BST
Tue, 18 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:53 PDT 15:25 BST
Mon, 17 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:59 PDT 15:02 BST
Sun, 16 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:03 PDT 15:12 BST
Sat, 15 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:07 PDT 14:45 BST
Fri, 14 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:50 PDT 14:58 BST
Thu, 13 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 00:27 PDT 17:27 BST
Wed, 12 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:48 PDT 15:01 BST
Tue, 11 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:44 PDT 14:54 BST
Mon, 10 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:02 PDT 15:13 BST
Sun, 09 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:50 PDT 14:50 BST
Sat, 08 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:54 PDT 14:55 BST
Fri, 07 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 05:49 PDT 15:06 BST
Thu, 06 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:49 PDT 14:48 BST
Wed, 05 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 21:54 PDT 14:50 BST
Tue, 04 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 22:13 PDT 15:30 BST
Mon, 03 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:45 PDT 15:35 BST 05:57 PDT 15:24 BST
Sun, 02 Aug DL20 Seattle Tacoma Intl () Heathrow () 21:55 PDT 15:35 BST 06:16 PDT 15:33 BST
Fri, 31 Jul DL20 Seattle Tacoma Intl () Heathrow () 21:50 PDT 15:35 BST 21:50 PDT 14:58 BST
Flight DL20 delayed 3 times during the last month, and the average delay time was 51 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