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 Sep 27, 2026 at 06:30 PM and arrive at 08:53 PM 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.

FromToDeparts ArrivesStatus

Departure

Departs from	London Heathrow (LHR)
Date	Sun, Sep 27
Departs	06:30 PM06:35 PM
Terminal	3
Gate	16
Check-in counter	A

Arrival

Arrives at	Seattle / Tacoma International (SEA)
Date	Sun, Sep 27
Arrives	08:53 PM
Terminal	S
Gate	S11
Baggage claim carousel	20

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