BOS → IADBoston to Washington

live

Direct flights from Boston (BOS) to Washington (IAD): 7 nonstop departures observed each week across 1 airline. 100% of the last 7 operated flights arrived within 15 minutes of schedule. The median arrival is 14 minutes early. No cancellations were recorded across the 7 tracked flights. The nonstop covers 664 km, an estimated 1 hour 21 minutes in the air. Measured by Pro Flight Search from live flight boards at Boston and Washington. Updated 8 September 2026 at 21:21 UTC.

BOS Boston smooth · +7
IAD Washington smooth · +0
664 km · ~1h 21m est.
dep bank 05:45–19:237x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 7 operated BOS → IAD flights arrived within 15 minutes

Median arrival delay is −14 min. 0 of 7 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−14 minacross the last 7 operated legs
Flight time~1h 21mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
United AirlinesUA100% on time

Flights UA1734 05:45 daily · UA2098 09:30 daily · UA721 14:28 daily · UA2136 19:23 daily

History

operated legs · board outcomes
09-08UA1734arrived−17
09-08UA2098arrived−14
09-08UA721departed+0
09-07UA1734arrived−15
09-07UA2098dep +0 → arr−3
09-07UA2136dep +22 → arr+10
09-07UA721arrived−17

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BOSBoston +7 min smooth Full BOS delay board →
IADWashington +0 min smooth Full IAD delay board →

Weather lens

Current conditions put the pressure at BOS: 40% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Boston to Washington route actually runs

Pro Flight Search records official board updates for nonstop BOS to IAD flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Boston (BOS) to Washington (IAD) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BOS-IAD
How we measure this →

BOS to IAD questions

Is BOS–IAD running on time right now?

Smooth skies ahead. The departure side at BOS is the weaker end, route health score 94/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BOS–IAD?

Operators schedule morning departures around 05:45 and evening departures around 19:23 from BOS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAD delay card to confirm conditions when you'd arrive.

How long is the flight from BOS to IAD?

Great-circle distance is 664 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 77–87 min gate-to-gate on this route.

How often does BOS–IAD fly?

United Airlines runs the route with about 28 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.