UA591United Airlines · EWR → SAT
live · 5m ago
Route confirmed United Airlines

UA591 New YorkEWR · 08:30 San AntonioSAT · 06:41

UA591 by United Airlines flies from New York (EWR) to San Antonio (SAT) for the Wed, Oct 21 departure.

Right nowLanded in San Antonio · position data
10:53

landed at SAT · confirmed by live position

Typical gate push−7 minmedian posted departure

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-21
−8 gate
10-20
−9 gate
10-19
−6 gate
10-18
−7 gate
10-16
+0 gate

The 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 operation

0 cancelled · 5 operations tracked

The route today

live boards
EWRNew YorkOn-time likelyEWR delay board →
SATSan AntonioOn-time likelySAT delay board →
EWR→SATevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
3.0%Chance of cancellation
+6 minAvg hub delay right now

Conditions 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other New York to San Antonio flights today

same route · United Airlines
UA515departs 11:59

If 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 ~7 min early. Based on 5 confirmed departures · 5/5 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.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-21EWR 08:30 08:22 (−8)SAT
10-20EWR 08:30 08:21 (−9)SAT 06:41
10-19EWR 08:30 08:24 (−6)SAT 06:41
10-18EWR 08:30 08:23 (−7)SAT 06:41
10-16EWR 08:30 (+0)SAT 06:41

Board clocks recorded as EWR and SAT published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — UA591 New York to San Antonio on-time performance, measured from the EWR and SAT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA591
How we measure this →