Flights JL168 varies Mo Tu
Direct flights from Washington (IAD) to Boston (BOS): 9 nonstop departures observed each week across 2 airlines. The median arrival is 21 minutes early. No cancellations were recorded across the 2 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 Washington and Boston. Updated 20 October 2026 at 18:29 UTC.
Today, IAD → BOS
Tue 20 Oct · local times- 08:50 UA641United Left 08:50 Landed 10:09 −23
- 13:10 UA1392United Sched 13:10Departure not confirmed by the board BOS est. 14:51sched 14:55
- · UA3503United On schedule BOS est. 16:28sched 16:59
- · UA688United On schedule BOS est. 18:48sched 19:06
- · UA755United On schedule BOS 23:59scheduled
Checked IAD board 10:18 · BOS board 14:29
route health from live IAD and BOS delay boards
Median arrival delay is −21 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at BOS: 41% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Washington to Boston route actually runs
Pro Flight Search records official board updates for nonstop IAD to BOS 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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Washington (IAD) to Boston (BOS) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/IAD-BOS
IAD to BOS questions
Is IAD–BOS running on time right now?
Smooth skies ahead. The departure side at IAD is the weaker end, route health score 95/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–BOS?
Operators schedule morning departures around 08:50 and evening departures around 17:15 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BOS delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to BOS?
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 IAD–BOS fly?
2 carriers operate this route, around 36 flights a week between them. Compare carrier days and times in the airline list above.