SY421 MinneapolisMSP Los AngelesLAX · 07:54
SY421 by Sun Country Airlines flies from Minneapolis (MSP) to Los Angeles (LAX).
scheduled from MSP
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −10 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MSP and LAX 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 Los Angeles flights today
same route · Sun Country AirlinesIf SY421 is cancelled, these are the other Sun Country Airlines nonstop flights from Minneapolis to Los Angeles 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 SY421 actually runs
Pro Flight Search has tracked every published board update for SY421 across the MSP and LAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how SY421 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N904SY, N821SY.
Board clocks recorded as MSP and LAX published them.
Planning around SY421? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — SY421 Minneapolis to Los Angeles on-time performance, measured from the MSP and LAX airport boards.
https://proflightsearch.com/flight/SY421
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