SY251 MinneapolisMSP · 06:55 BostonBOS · 10:43
SY251 by Sun Country Airlines flies from Minneapolis (MSP) to Boston (BOS) for the Tue, Oct 20 departure.
departs MSP · on schedule
board checked 3m ago · checking again in 45s
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MSP and BOS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Minneapolis to Boston flights today
same route · Sun Country AirlinesIf SY251 is cancelled, these are the other Sun Country Airlines nonstop flights from Minneapolis to Boston on the same day, with scheduled departure times in MSP local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How SY251 actually runs
Pro Flight Search has tracked every published board update for SY251 across the MSP and BOS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -8 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how SY251 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as MSP and BOS published them.
Planning around SY251? 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 — SY251 Minneapolis to Boston on-time performance, measured from the MSP and BOS airport boards.
https://proflightsearch.com/flight/SY251
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