Flight

DL21 (DAL21)

Route

LHRSEA

Status

Delayed(5 minutes)

Delta flight DL21 from London Heathrow Airport to Seattle / Tacoma International Airport is scheduled to depart on 26 Sept 2026 at 17:45 and arrive at 20:10 local time. It's currently delayed by 5 minutes.

Status: Delayed

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Other DL21 flights

Multiple flights operate under the DL21 flight number.

FromToDepartsArrivesStatus

Departure

Departs from	London Heathrow (LHR)
Date	Sat 26 Sept
Departs	17:4517:50
Terminal	3
Gate	22
Check-in desk	A

Arrival

Arrives at	Seattle / Tacoma International (SEA)
Date	Sat 26 Sept
Arrives	20:1019:27
Terminal	S
Gate	S10
Luggage belt	18

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