Left IAD at 10:27, 27 min after its 10:00 slot.
Direct flights from Washington (IAD) to Philadelphia (PHL): 7 nonstop departures observed each week across 1 airline. 47% of the last 15 operated flights arrived within 15 minutes of schedule. The median arrival is 25 minutes late. No cancellations were recorded across the 15 tracked flights. The nonstop covers 216 km, an estimated 47 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Philadelphia. Updated 18 October 2026 at 19:39 UTC.
Today, IAD → PHL
Sun 18 Oct · local timesLeft IAD at 12:22, 62 min after its 11:20 slot.
- 08:30 UA1701United Left 08:58 +28 Landed 13:46 +13
- 10:00 1I175NetJets Aviation Left 10:27 +27 ·
- 11:20 JRE890flyExclusive Left 12:22 +62 ·
- 13:05 UA4459United Left 13:18 +13 Landed 17:56 −24
- 17:25 UA4454United On schedule PHL 22:42scheduled
Checked IAD board 15:18 · PHL board 15:39
of the last 15 operated IAD → PHL flights arrived within 15 minutes
Median arrival delay is +25 min. 0 of 15 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 PHL: 39% odds of a 15+ minute delay and around +11 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 Philadelphia route actually runs
Pro Flight Search records official board updates for nonstop IAD to PHL 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 Philadelphia (PHL) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/IAD-PHL
IAD to PHL questions
Is IAD–PHL running on time right now?
Mostly on schedule. The departure side at IAD is the weaker end, route health score 81/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–PHL?
Operators schedule morning departures around 08:30 and evening departures around 17:25 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PHL delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to PHL?
Great-circle distance is 216 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 45–49 min gate-to-gate on this route.
How often does IAD–PHL fly?
United Airlines runs the route with about 27 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.