Flight

DL21 (DAL21)

Route

LHRSEA

Status

Scheduled

Delta flight DL21 from London Heathrow Airport to Seattle / Tacoma International Airport is scheduled to depart on 27 Sept 2026 at 18:30 and arrive at 20:53 local time.

Status:Scheduled

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Other DL21 flights

Multiple flights operate under the DL21 flight number.

FromToDepartsArrivesStatus

Departure

Departs from	London Heathrow (LHR)
Date	Sun 27 Sept
Departs	18:30
Terminal	3
Gate	Not available
Check-in desk	A

Arrival

Arrives at	Seattle / Tacoma International (SEA)
Date	Sun 27 Sept
Arrives	20:53
Terminal	S
Gate	S10
Luggage belt	Not available

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