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DL21 Flight Status ( London to Seattle )

LAST SEEN 2 HOUR 58 MINUTES AGO
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Departure (DL21 Flight Schedule)

Heathrow ()

flag London, United Kingdom

18:30 BST

Sun 15-Jun-2025

 LATE 15 min
BST 00:00:00 DAY
arr   

Arrival (DL21 Flight Schedule)

Seattle Tacoma Intl ()

flag Seattle, United States

20:50 PDT

Sun 15-Jun-2025

 EARLY 1 hour 8 min
PDT 00:00:00 DAY

Flight Radar Checker DL 21

Live Flight Tracker Map

Flight DL21 from London to Seattle is operated by Delta Air Lines. Scheduled time of departure from Heathrow is 18:30 BST and scheduled time of arrival in Seattle Tacoma Intl is 20:50 PDT. The duration of the flight is 10 hours 20 minutes.
 

 

3.5 out of 5 stars / 12 votes

Flight Finder
from Seattle to London

Flight Departure Arrival

06:50		 Seattle Tacoma Intl
()		 Heathrow
()

11:20		 Seattle Tacoma Intl
()		 Heathrow
()

13:40		 Seattle Tacoma Intl
()		 Heathrow
()

14:15		 Seattle Tacoma Intl
()		 Heathrow
()

History Flight Information for DL21 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Sun, 15 Jun DL21 Heathrow () Seattle Tacoma Intl () 18:30 BST 20:50 PDT 19:00 BST 13:29 PDT
Sat, 14 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:32 BST 18:31 PDT
Fri, 13 Jun DL21 Heathrow () Seattle Tacoma Intl () 18:00 BST 20:20 PDT 18:15 BST 19:20 PDT
Thu, 12 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 18:00 BST 19:42 PDT
Wed, 11 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:43 BST 18:59 PDT
Tue, 10 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:36 BST 19:00 PDT
Mon, 09 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:39 BST 19:13 PDT
Sun, 08 Jun DL21 Heathrow () Seattle Tacoma Intl () 18:30 BST 20:50 PDT 19:05 BST 20:45 PDT
Sat, 07 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:53 BST 19:11 PDT
Fri, 06 Jun DL21 Heathrow () Seattle Tacoma Intl () 18:00 BST 20:20 PDT 18:16 BST 19:28 PDT
Thu, 05 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:50 BST 18:55 PDT
Wed, 04 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:34 BST 18:47 PDT
Tue, 03 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:46 BST 18:57 PDT
Mon, 02 Jun DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:39 BST 18:53 PDT
Sun, 01 Jun DL21 Heathrow () Seattle Tacoma Intl () 18:30 BST 20:50 PDT 18:51 BST 20:31 PDT
Sat, 31 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:45 BST 12:09 PDT
Fri, 30 May DL21 Heathrow () Seattle Tacoma Intl () 18:00 BST 20:20 PDT 18:11 BST 19:35 PDT
Thu, 29 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 18:11 BST 19:29 PDT
Wed, 28 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:39 BST 19:02 PDT
Tue, 27 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:36 BST 19:13 PDT
Mon, 26 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:46 BST 19:04 PDT
Sun, 25 May DL21 Heathrow () Seattle Tacoma Intl () 18:30 BST 20:50 PDT 18:49 BST 20:02 PDT
Sat, 24 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:51 BST 19:13 PDT
Fri, 23 May DL21 Heathrow () Seattle Tacoma Intl () 18:00 BST 20:20 PDT 18:32 BST 19:53 PDT
Thu, 22 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:42 BST 19:02 PDT
Wed, 21 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:59 BST 19:31 PDT
Tue, 20 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 17:36 BST 20:34 PDT
Mon, 19 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 17:43 BST 19:05 PDT
Sun, 18 May DL21 Heathrow () Seattle Tacoma Intl () 18:30 BST 20:50 PDT 18:50 BST 20:02 PDT
Sat, 17 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 17:41 BST 19:05 PDT
Fri, 16 May DL21 Heathrow () Seattle Tacoma Intl () 18:00 BST 20:20 PDT 20:40 BST 19:52 PDT
Thu, 15 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 17:26 BST 18:46 PDT
Wed, 14 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 17:37 BST 18:54 PDT
Tue, 13 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 17:40 BST 19:04 PDT
Mon, 12 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 18:16 BST 20:05 PDT
Sun, 11 May DL21 Heathrow () Seattle Tacoma Intl () 18:30 BST 20:50 PDT (Boeing B764) 21:26 BST 14:00 PDT
Sat, 10 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 02:14 BST 18:57 PDT
Fri, 09 May DL21 Heathrow () Seattle Tacoma Intl () 18:00 BST 20:20 PDT 18:10 BST 19:38 PDT
Thu, 08 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 17:46 BST 19:52 PDT
Wed, 07 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:40 PDT 18:02 BST 19:50 PDT
Tue, 06 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:52 BST 19:16 PDT
Mon, 05 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 17:34 BST 18:50 PDT
Sun, 04 May DL21 Heathrow () Seattle Tacoma Intl () 18:30 BST 20:50 PDT 18:50 BST 20:13 PDT
Sat, 03 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT 18:28 BST 20:15 PDT
Fri, 02 May DL21 Heathrow () Seattle Tacoma Intl () 18:00 BST 20:20 PDT 18:48 BST 20:12 PDT
Thu, 01 May DL21 Heathrow () Seattle Tacoma Intl () 17:25 BST 19:45 PDT (Airbus A333) 17:57 BST 19:29 PDT
Flight DL21 delayed 3 times during the last month, and the average delay time was 36 minutes.

Disclaimer for DL21 Flight Radar Data

Flight DL21 from Heathrow to Seattle Tacoma 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 DL21 data.
  1. PlaneMapper
  2. Flights
  3. Delta Air Lines
  4. DL21