UA591 New YorkEWR · 08:30 San AntonioSAT · 06:41
UA591 by United Airlines flies from New York (EWR) to San Antonio (SAT).
scheduled from EWR
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 operation0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at EWR and SAT 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 York to San Antonio flights today
same route · United AirlinesIf UA591 is cancelled, this is the other United Airlines nonstop flight from New York to San Antonio on the same day, with scheduled departure times in EWR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA591 actually runs
Pro Flight Search has tracked every published board update for UA591 across the EWR and SAT boards: schedule changes, gate pushes and actual clocks. Usually departs ~8 min early. Based on 6 confirmed departures · 6/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA591 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 EWR and SAT published them.
Planning around UA591? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA591 New York to San Antonio on-time performance, measured from the EWR and SAT airport boards.
https://proflightsearch.com/flight/UA591
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