SY621 MinneapolisMSP HarlingenHRL
SY621 by Sun Country Airlines flies from Minneapolis (MSP) to Harlingen (HRL).
scheduled from MSP
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Minneapolis to Harlingen flights
same route · Sun Country AirlinesIf SY621 is cancelled, this is the other Sun Country Airlines nonstop flight from Minneapolis to Harlingen, 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 SY621 actually runs
Pro Flight Search has tracked every published board update for SY621 across the MSP and HRL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 65.0/100. Based on airport operations, weather, and cached board history at MSP and HRL.
The verdict above is that record speaking, so it reflects how SY621 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 HRL published them.
Planning around SY621? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — SY621 Minneapolis to Harlingen on-time performance, measured from the MSP and HRL airport boards.
https://proflightsearch.com/flight/SY621
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