Flights DL627 08:45 Mo Tu We Th Fr Sa
Direct flights from Boston (BOS) to Cancún (CUN): 11 nonstop departures observed each week across 2 airlines. 75% of the last 12 tracked flights arrived within 15 minutes of schedule. The median arrival is 6 minutes late. No cancellations were recorded across the 13 tracked flights. The nonstop covers 2,796 km, an estimated 4 hours 5 minutes in the air. Measured by Pro Flight Search from live flight boards at Boston and Cancún. Updated 13 November 2026 at 21:06 UTC.
Today, BOS → CUN
Fri 13 Nov · local timesChecked BOS board 17:01 · CUN board 16:06
of the last 12 tracked BOS → CUN flights arrived within 15 minutes
Median arrival delay is +6 min. 0 of 13 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 daysFlights B6771 09:32 Mo Th Fr Sa Su
History
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
Conditions are tightest at BOS: a 33% 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 →
next sweep in 120s
How the Boston to Cancún route actually runs
Pro Flight Search records official board updates for nonstop BOS 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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: Boston (BOS) to Cancún (CUN) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/BOS-CUN
BOS to CUN questions
Is BOS–CUN running on time right now?
Smooth skies ahead. The departure side at BOS 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 BOS–CUN?
Operators schedule morning departures around 08:45 from BOS. 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 BOS to CUN?
Great-circle distance is 2,796 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 227–270 min gate-to-gate on this route.
How often does BOS–CUN fly?
2 carriers operate this route, around 11 flights a week between them. Compare carrier days and times in the airline list above.