IAD → CUNWashington to Cancún

live

Direct flights from Washington (IAD) to Cancún (CUN): 7 nonstop departures observed each week across 1 airline. 100% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 5 tracked flights. The nonstop covers 2,185 km, an estimated 3 hours 18 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Cancún. Updated 8 September 2026 at 10:58 UTC.

IAD Washington smooth · +8
CUN Cancún busy · +20
2,185 km · ~3h 18m est.
dep bank 08:26–12:357x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 5 operated IAD → CUN flights arrived within 15 minutes

Median arrival delay is −8 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 5 operated legs
Flight time~3h 18mestimated 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 UA1154 08:26 daily · UA1276 12:35 Mo Th Fr Sa Su

History

operated legs · board outcomes
09-07UA1154dep +14 → arr−5
09-07UA1276dep +9 → arr−8
09-06UA1154dep +6 → arr−30
09-06UA1276dep +1 → arr−38
09-05UA1154arrived−5

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 +8 min smooth 🌤 scattered clouds · N 0 kt Full IAD delay board →
CUNCancún +20 min busy 🌤 clear · N 0 kt Full CUN delay board →

Weather lens

Current conditions put the pressure at IAD: 33% odds of a 15+ minute delay and around +3 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Washington to Cancún route actually runs

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

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

IAD to CUN questions

Is IAD–CUN running on time right now?

Mostly on schedule. The arrival side at CUN 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–CUN?

Operators schedule morning departures around 08:26 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CUN delay card to confirm conditions when you'd arrive.

How long is the flight from IAD to CUN?

Great-circle distance is 2,185 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 184–217 min gate-to-gate on this route.

How often does IAD–CUN fly?

United Airlines runs the route with about 12 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.