Flight

UA421 (UAL421)

Route

DENIAD

Status

Delayed(19 minutes)

United flight UA421 from Denver International Airport to Washington Dulles Airport is scheduled to depart on Sep 29, 2026 at 03:45 PM and arrive at 09:11 PM local time. It's currently delayed by 19 minutes.

Status: Delayed

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Other UA421 flights

Multiple flights operate under the UA421 flight number.

FromToDeparts ArrivesStatus

Departure

Departs from	Denver International (DEN)
Date	Tue, Sep 29
Departs	03:45 PM04:04 PM
Terminal	Not available
Gate	B25
Check-in counter	Not available

Arrival

Arrives at	Washington Dulles (IAD)
Date	Tue, Sep 29
Arrives	09:11 PM
Terminal	Not available
Gate	D11
Baggage claim carousel	1

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