American AirlinesAA0% on time
Flights AA3127 06:50 Mo Tu Th Fr Sa Su · AA2247 09:40 Mo We Th Fr Sa Su · AA1147 11:00 daily · AA1184 12:35 daily
live
Direct flights from Miami (MIA) to Boston (BOS): 15 nonstop departures observed each week across 3 airlines. 0% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 52 minutes late. 8 of the 9 tracked flights were cancelled. The nonstop covers 2,028 km, an estimated 3 hours 6 minutes in the air. Measured by Pro Flight Search from live flight boards at Miami and Boston. Updated 8 September 2026 at 03:36 UTC.
MIA
Miami
disrupted · +155
BOS
Boston
smooth · +0
2,028 km · ~3h 06m est.
Runs rough · 3 airlines · 15x weekly · nonstop
0% on time
of the last 9 operated MIA → BOS flights arrived within 15 minutes
Median arrival delay is +52 min. 8 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+52 minacross the last 9 operated legs
Flight time~3h 06mestimated from route distance
Weekly departures15x3 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesAmerican EagleDelta Air Lines
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 daysAmerican EagleMQ
Flights MQ4660 14:28 Sa
Delta Air LinesDL
Flights DL1399 11:50 daily · DL776 19:58 daily
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
Current conditions put the pressure at BOS: 39% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Miami to Boston route actually runs
Pro Flight Search records official board updates for nonstop MIA to BOS 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 — Miami (MIA) to Boston (BOS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/MIA-BOS
MIA to BOS questions
Is MIA–BOS running on time right now?
Significant delay risk. The departure side at MIA is the weaker end, route health score 50/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on MIA–BOS?
Operators schedule morning departures around 06:50 and evening departures around 17:55 from MIA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BOS delay card to confirm conditions when you'd arrive.
How long is the flight from MIA to BOS?
Great-circle distance is 2,028 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 173–204 min gate-to-gate on this route.
How often does MIA–BOS fly?
3 carriers operate this route, around 62 flights a week between them. Compare carrier days and times in the airline list above.
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