IAD → CUNWashington to Cancún

live

Direct flights from Washington (IAD) to Cancún (CUN): 7 nonstop departures observed each week across 1 airline. The median arrival is 5 minutes early. No cancellations were recorded across the 4 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 19 October 2026 at 08:04 UTC.

Today, IAD → CUN

Mon 19 Oct · local times
  1. · UA1154United Airlines On schedule CUN 11:05scheduled
  2. · UA1276United Airlines On schedule CUN 15:12scheduled

Checked IAD board 01:51 · CUN board 03:04

IAD Washington busy · +18
CUN Cancún smooth · +0
2,185 km · ~3h 18m est.
dep bank 08:26–12:357x weekly
Running clean · 1 airline · 7x weekly · nonstop
88 / 100

route health from live IAD and CUN delay boards

Median arrival delay is −5 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−5 minacross the last 4 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 AirlinesUA

Flights UA1154 08:26 daily · UA1276 12:35 Mo Th Fr Sa Su

History

operated legs · board outcomes
10-18UA1154dep +71 → arr+31
10-18UA1276dep +5 → arr−31
10-17UA1154arrived−5
10-17UA1276arrived−7

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 +18 min busy 🌤 clear · WNW 3 kt Full IAD delay board →
CUNCancún +0 min smooth 🌤 few clouds · N 0 kt Full CUN delay board →

Weather lens

Current conditions put the pressure at IAD: 32% odds of a 15+ minute delay and around +4 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?

Smooth skies ahead. The departure side at IAD is the weaker end, route health score 88/100. 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.