Informational Guide to London Heathrow Airport - LHR - Non Official

DL21 Delta Air Lines - Flight Status

Codeshare Flights
The flight VS4036 from Virgin Atlantic (VS) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL21. Check this page for details about flight DL21.
Warning
This flight has been diverted and landed in a different airport than scheduled. Contact airline to obtain more information. This was the original destination:
Seattle (SEA) - Seattle-Tacoma International Airport

Below, you can find details about Delta Air Lines flight DL21, which currently operates between the airports of London - London Heathrow Airport (Airport Code LHR) and Reykjavik - Keflavik Airport (Airport Code KEF).
This flight data pertains specifically to the flight's details for Friday, September 05, 2025.

Table of contents:
Flight Status Codeshare Flights
DL21 On Time performance:
93
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

DL21 Delta Air Lines to Reykjavik

Landed - On-time
Flight Status for Friday September 05, 2025
This flight is also scheduled for Today (September 06, 2025). See it here
This flight is also scheduled for Tomorrow (September 07, 2025). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A330-900neo

Departure

London (LHR)
September 05, 2025
London Heathrow Airport
Departed at:
17:53
Terminal:
XX
Gate:
34
Scheduled Departure Time: 18:00

Arrival

Reykjavik (KEF)
September 05, 2025
Keflavik Airport
Arrived at:
20:09
Terminal:
-
Gate:
-
Scheduled Arrival Time: 20:25
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:

- AF3586 - Air France

- KL6022 - KLM Royal Dutch Airlines

- SK3985 - SAS Scandinavian Airlines

- VS4036 - Virgin Atlantic