Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

DL21 Delta Air Lines - Flight Status

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 Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Friday, October 11, 2024.

DL21 On Time performance:
88
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 from London

Landed - On-time
Flight Status for Friday October 11, 2024
This flight is also scheduled for Today (October 12, 2024). See it here
This flight is also scheduled for Tomorrow (October 13, 2024). See it here

Airline information

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

Departure

London (LHR)
October 11, 2024
London Heathrow Airport
Departed at:
04:45 pm
Terminal:
3
Gate:
21
Scheduled Departure Time: 04:50 pm

Arrival

Seattle (SEA)
October 11, 2024
Seattle-Tacoma International Airport
Arrived at:
06:59 pm
Gate:
S7
Scheduled Arrival Time: 07:15 pm
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.seattle-airport.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

- VS4036 - Virgin Atlantic

Additional Information

Which is the frequency of flight DL21?
The flight DL21 is scheduled to flight on daily basis.

Which is the distance of flight DL21?
The distance between the two airports is 4788 miles.

Which is the flight time of flight DL21?
The scheduled flight time gate to gate is: 10:25 hours.
The real flight time gate to gate on average is: 10:03 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in London: 2024-10-13 04:30:48
Current Time in Seattle: 2024-10-12 20:30:48

Alternative Flights

The following airlines serves the same route between London and Seattle:

British Airways
- Flight Number: BA49. (On Time performance: 49 - Average Delay: 23 minutes)
- Flight Number: BA53. (On Time performance: 64 - Average Delay: 22 minutes)

Virgin Atlantic
- Flight Number: VS105. (On Time performance: 54 - Average Delay: 23 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from July 11, 2024 to October 10, 2024, we have obtained these figures.
Total number of flights: 92
On Time: 81 ( 88 % )
Moderate Delay: 3 ( 3 % )
Significant Delay: 2 ( 2 % )
Major Delay: 4 ( 4 % )
Canceled: 2 ( 2 % )
Diverted: 0 ( 0 % )

Average Delay: 6 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from April 11, 2024 to October 10, 2024. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from October 02, 2023 to September 30, 2024. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights DL21

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
11 October
04:45 pm
London (LHR)
06:59 pm
Seattle (SEA)
10h 14min
Airbus A330-90
Airbus A330-90
Landed - On-time
Thursday
10 October
04:56 pm
London (LHR)
07:24 pm
Seattle (SEA)
10h 28min
Airbus A330-90
Airbus A330-90
Landed - On-time
Wednesday
09 October
04:45 pm
London (LHR)
07:08 pm
Seattle (SEA)
10h 23min
Airbus A330-90
Airbus A330-90
Landed - On-time
Tuesday
08 October
04:47 pm
London (LHR)
07:09 pm
Seattle (SEA)
10h 22min
Airbus A330-90
Airbus A330-90
Landed - On-time
Monday
07 October
05:38 pm
London (LHR)
07:27 pm
Seattle (SEA)
09h 49min
Airbus A330-90
Airbus A330-90
Landed - On-time
Sunday
06 October
04:45 pm
London (LHR)
07:18 pm
Seattle (SEA)
10h 33min
Airbus A330-90
Airbus A330-90
Landed - On-time
Saturday
05 October
04:51 pm
London (LHR)
06:48 pm
Seattle (SEA)
09h 57min
Airbus A330-90
Airbus A330-90
Landed - On-time
Friday
04 October
04:53 pm
London (LHR)
06:59 pm
Seattle (SEA)
10h 06min
Airbus A330-90
Airbus A330-90
Landed - On-time
Thursday
03 October
04:28 pm
London (LHR)
06:53 pm
Seattle (SEA)
10h 25min
Airbus A330-90
Airbus A330-90
Landed - On-time
Wednesday
02 October
04:55 pm
London (LHR)
07:33 pm
Seattle (SEA)
10h 38min
Airbus A330-90
Airbus A330-90
Landed - Delayed