BOS → CUNBoston to Cancún

live

Direct flights from Boston (BOS) to Cancún (CUN): 13 nonstop departures observed each week across 2 airlines. 60% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes early. 1 of the 5 tracked flights was cancelled. 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 12 September 2026 at 11:27 UTC.

BOS Boston smooth · +0
CUN Cancún smooth · +10
2,796 km · ~4h 05m est.
dep bank 09:11–10:0013x weekly
Runs mixed · 2 airlines · 13x weekly · nonstop
60% on time

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

Median arrival delay is −5 min. 1 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−5 minacross the last 5 operated legs
Flight time~4h 05mestimated from route distance
Weekly departures13x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesJetBlue Airways

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
Delta Air LinesDL

Flights DL627 09:11 Mo We Th Fr Sa Su

JetBlue AirwaysB6

Flights B6771 10:00 daily

History

operated legs · board outcomes
09-12B6771dep +0 → arr−5
09-09B6771cancelledCNX
09-08B6771dep +0 → arr−20
09-07B6771dep +0 → arr−30
09-07DL627dep +89 → arr+71

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
BOSBoston +0 min smooth 🌤 overcast · SSE 6 kt Full BOS delay board →
CUNCancún +10 min smooth 🌤 scattered clouds · SE 10 kt Full CUN delay board →

Weather lens

Current conditions put the pressure at BOS: 37% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

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

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 — Boston (BOS) to Cancún (CUN) route reliability, measured from operated flights on official airport boards.

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

BOS to CUN questions

Is BOS–CUN running on time right now?

Smooth skies ahead. The arrival side at CUN is the weaker end, route health score 93/100. 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 09:11 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 13 flights a week between them. Compare carrier days and times in the airline list above.