IAD → LHRWashington to London

live

Direct flights from Washington (IAD) to London (LHR): 41 nonstop departures observed each week across 3 airlines. 95% of the last 37 tracked flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. No cancellations were recorded across the 37 tracked flights. The nonstop covers 5,902 km, an estimated 8 hours 4 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and London. Updated 30 October 2026 at 17:15 UTC.

IAD Washington smooth · +14
LHR London smooth · +1
5,902 km · ~8h 04m est.
dep bank 17:45–22:2541x weekly
Runs reliable · 3 airlines · 41x weekly · nonstop
95% on time

of the last 37 tracked IAD → LHR flights arrived within 15 minutes

Median arrival delay is −17 min. 0 of 37 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−17 minacross the last 37 arrivals
Flight time~8h 04mestimated from route distance
Weekly departures41x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 37

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
British AirwaysUnited AirlinesVirgin Atlantic

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
British AirwaysBA100% on time

Flights BA216 17:45 daily · BA290 19:15 Mo Tu We Fr Sa Su · BA292 varies daily

United AirlinesUA100% on time

Flights UA918 varies daily · UA924 varies daily

Virgin AtlanticVS71% on time

Flights VS22 varies daily

History

operated legs · board outcomes
10-29BA216dep +16 → arr−27
10-29BA292dep +11 → arr−24
10-29UA918dep +13 → arr−18
10-29UA924dep +28 → arr−17
10-29VS22dep +16 → arr−17
10-28BA216dep +22 → arr−12
10-28BA292dep +40 → arr−1
10-28UA918dep +26 → arr−15
10-28UA924dep +18 → arr−22
10-28VS22dep +12 → arr−31
10-27BA216dep +23 → arr−4
10-27BA292dep +16 → arr−24
10-27UA918dep +21 → arr−10
10-27UA924dep +11 → arr−32
10-27VS22dep +18 → arr−19
10-26BA216dep +19 → arr−11
10-26BA292dep +24 → arr−14
10-26UA918dep +47 → arr+2
10-26UA924dep +3 → arr−52
10-26VS22dep +94 → arr+46
10-25BA216dep +15 → arr−13
10-25BA292dep +25 → arr−8
10-25UA918dep +13 → arr−14
10-25UA924dep +19 → arr−12
10-25VS22arrived+108
10-24BA216dep +41 → arr−35
10-24BA290dep +71 → arr+9
10-24BA292dep +6 → arr−33
10-24UA918dep +22 → arr−18
10-24UA924dep +21 → arr−16
10-24VS22dep +8 → arr−46
10-23BA216dep +50 → arr−22
10-23BA290dep +55 → arr−13
10-23BA292dep +33 → arr−40
10-23UA918dep +11 → arr−38
10-23UA924dep +57 → arr−25
10-23VS22dep +10 → arr−75

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
IADWashington +14 min smooth 🌤 few clouds · WNW 11 kt Full IAD delay board →
LHRLondon +1 min smooth 🌤 clear · E 6 kt Full LHR delay board →

Weather lens

Conditions are tightest at IAD: a 31% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +4 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Washington to London route actually runs

Pro Flight Search records official board updates for nonstop IAD to LHR 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: Washington (IAD) to London (LHR) route reliability, measured from operated flights on official airport boards.

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

IAD to LHR questions

Is IAD–LHR running on time right now?

Smooth skies ahead. The departure side at IAD is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAD–LHR?

Operators schedule evening departures around 17:45 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LHR delay card to confirm conditions when you'd arrive.

How long is the flight from IAD to LHR?

Great-circle distance is 5,902 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 447–536 min gate-to-gate on this route.

How often does IAD–LHR fly?

3 carriers operate this route, around 41 flights a week between them. Compare carrier days and times in the airline list above.