Flight UA 3503: Washington Dulles → Boston

United Airlines4 October 2026DepartedUpdated 6 min ago, official airport data

All flights Washington Dulles → Boston

Departure

Washington Dulles IAD

15:04

Actual15:09 scheduled5 min early

Gate: C18

In flight

An estimate from the times on the boards, not the aircraft's position.

Flight time: 1 h 50 min

Arrival

Boston BOS

16:18

Expected16:59 scheduled41 min early

Terminal: B

Data from the official airport boards. Times are local to each airport.

Follow flight UA 3503, 4 October 2026

We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.

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Flight time: 1 h 50 min
Distance: ≈ 663 km
Days of the week

Punctuality of flight UA 3503

The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.

Flight UA 3503: schedule and upcoming dates

Days it flew in the last 60 days
Usual departure time: 15:09
Usual arrival time: 16:59

Dates already on the boards

Sun 4 OctDeparture 15:09, Arrival 16:59Departed
Mon 5 OctDeparture 15:09Scheduled

Follow flight UA 3503, 5 October 2026

We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.

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Route of flight UA 3503

Departure airport: Washington Dulles (IAD). Arrival airport: Boston (BOS). Scheduled flight time: about 1 h 50 min. Distance between the airports: about 663 km in a straight line.

Questions about flight UA 3503

Is flight UA 3503 on time today?

For 4 October 2026 the airport board shows flight UA 3503 as “Departed”. Departure: Washington Dulles, 15:04. Arrival: Boston, 16:18.

Which terminal and gate does flight UA 3503 use?

Washington Dulles (IAD): Gate C18. Boston (BOS): Terminal B. Gates are announced shortly before boarding and can change: check the screens at the airport.

How often is flight UA 3503 delayed?

The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.

How long does flight UA 3503 take?

About 1 h 50 min by the schedule. The airports are 663 km apart.

On which days does flight UA 3503 operate?

In the last 60 days it was on the boards on: Monday, Sunday.

How can I get notified when flight UA 3503 changes?

Use the notifications block at the top of this page: Telegram or e-mail. We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.

Flight UA 3503, 4 October 2026