Delta DL21 Flight Status Today

International flight Delta DL21 takes off from London (LHR) United Kingdom to Seattle (SEA) United States. It's operated by Delta Airlines. The plane leaves London Heathrow Airport at 12:20 19 January 2026 Europe/London. The flight is expected to land at Seattle International Airport at 14:49 19 January 2026 America/Los_Angeles. The flight will last about 10 hours 29 minutes.

Current status of DL21 is Scheduled On time Expected Depart in 6 hours, 55 minutes

DL21 - DAL21 Delta Airlines (DL)
LHR London United Kingdom
Flight LHR to SEA
SEA Seattle United States
Scheduled On time Expected Depart in 6 hours, 55 minutes
Departure London Heathrow Airport
IATA: LHRICAO: EGLL
Scheduled 12:20 19 January 2026
3 24
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 14:49 19 January 2026
Estimated 14:33 19 January 2026
None S4
DL21 Detail
  • Type: International Flight
  • Code Shares: AF 3599, KL 6022, SK 3985, VS 4036
  • Flight Duration: 10 hours 29 minutes
  • Flight Distance: 7726 kms / 4801 miles
Airline
  • Delta Airlines
  • IATA: DL
  • ICAO: DAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 208
  • Freight capacity: 12.7 tons
  • Passenger classes: Economy, Business Class, Premium Economy
More Detail
  • Aircraft: Airbus A330-200
  • Callsign: F-CYZF4
  • Departure Timezone: Europe/London
  • Arrival Timezone: America/Los_Angeles
  • Current Time in London: Monday 2026-01-19 05:25 AM
  • Current Time in Seattle: Sunday 2026-01-18 21:25 PM

Delta DL21 Flight Statistics

Delta
Delta
FLIGHT NO DL21
AIRPLANE Airbus A330-200
ON TIME 14
DELAYED 0
CANCELLED 0
ON TIME 28
DELAYED 2
CANCELLED 0
ON TIME 56
DELAYED 3
CANCELLED 1
ON TIME 77
DELAYED 5
CANCELLED 2
Last 14 days flight data
14 30 60 90
On Time Rate

Delta DL21 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Sat 10 Jan
Departed Delayed by 20m
London (LHR) 2026-01-10T12:20
Seattle (SEA) 2026-01-10T14:49
2026-01-10T12:20
Fri 09 Jan
Departed On time
London (LHR) 2026-01-09T12:20
Seattle (SEA) 2026-01-09T14:49
2026-01-09T12:16
Thu 08 Jan
Departed On time
London (LHR) 2026-01-08T12:20
Seattle (SEA) 2026-01-08T14:49
2026-01-08T12:35
Wed 07 Jan
Scheduled On time
London (LHR) 2026-01-07T12:20
Seattle (SEA) 2026-01-07T14:49
Mon 05 Jan
Departed Delayed by 1h 21m
London (LHR) 2026-01-05T12:20
Seattle (SEA) 2026-01-05T14:49
2026-01-05T12:52
Sun 04 Jan
Departed Delayed by 39m
London (LHR) 2026-01-04T12:20
Seattle (SEA) 2026-01-04T14:49
2026-01-04T13:20
Sat 03 Jan
Departed On time
London (LHR) 2026-01-03T12:20
Seattle (SEA) 2026-01-03T14:49
2026-01-03T12:29
Fri 02 Jan
Scheduled On time
London (LHR) 2026-01-02T12:20
Seattle (SEA) 2026-01-02T14:49
Wed 31 Dec
Scheduled On time
London (LHR) 2025-12-31T12:20
Seattle (SEA) 2025-12-31T14:58
Tue 30 Dec
Departed On time
London (LHR) 2025-12-30T12:20
Seattle (SEA) 2025-12-30T14:58
2025-12-30T12:23

Flight routes similar to Delta DL21

Airline Flight no Departure Arrival
Virgin Atlantic VS105
Virgin Atlantic 		19/01/2026
14:30 		10 hours 5 minutes
16:35
Aer Lingus EI8749
Aer Lingus 		19/01/2026
14:55 		0 minutes
16:55
SAS SK3985
SAS 		19/01/2026
12:20 		10 hours 29 minutes
14:49
Virgin Atlantic VS4036
Virgin Atlantic 		19/01/2026
12:20 		10 hours 29 minutes
14:49
British Airways BA49
British Airways 		19/01/2026
14:55 		0 minutes
16:55
Finnair AY5449
Finnair 		19/01/2026
14:55 		0 minutes
16:55
Alaska Airlines AS5267
Alaska Airlines 		19/01/2026
14:55 		0 minutes
16:55
Air France AF9904
Air France 		19/01/2026
15:05 		10 hours 5 minutes
17:10

Delta Flight DL21 FAQs

What is the scheduled flight duration for Delta DL21 flight?

On average, nonstop flight takes 10 hour(s) 29 minutes, with the flight distance of 7726 km (4801 miles).

What is the current status of Delta DL21 flight?

The current status of flight Delta DL21 is Scheduled On time.

What type of aircraft is used for the Delta DL21 flight?

All Delta DL21 flights are operated using Airbus A330-200 aircraft.

How many Delta DL21 flights are operated a week?

7 flights per week. The Flight Delta DL21 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .