UA2421 New OrleansMSY · 14:46 San FranciscoSFO · 17:25
UA2421 by United Airlines flies from New Orleans (MSY) to San Francisco (SFO) for the Thu, Oct 22 departure.
estimated arrival at SFO · local time · ~2h 54m from now
position updated 1m ago · checking again in 90s
Live position · flown path, last 1h 20m
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MSY and SFO 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 New Orleans to San Francisco flights today
same route · United AirlinesIf UA2421 is cancelled, this is the other United Airlines nonstop flight from New Orleans to San Francisco on the same day, with scheduled departure times in MSY local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA2421 actually runs
Pro Flight Search has tracked every published board update for UA2421 across the MSY and SFO boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left a little late (~7 min) but landed about 10 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA2421 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: N77431, N37456.
Board clocks recorded as MSY and SFO published them.
Planning around UA2421? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA2421 New Orleans to San Francisco on-time performance, measured from the MSY and SFO airport boards.
https://proflightsearch.com/flight/UA2421
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