UA2004 SFO → AUS

United Airlines · San Francisco, CA to Austin, TX · 58 flights observed, 2026-01-06 to 2026-03-04 · 1,504 mi

UA2004 covers more than one route in the data window — the stats below are for SFO → AUS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
-7 min
90th percentile
+32 min
Cancellation rate
2%

How often is UA2004 on time?

Across 58 flights on SFO → AUS from 2026-01-06 to 2026-03-04, UA2004 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +32 min or later. 2% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time4579%
16-30 min59%
31-60 min59%
61-120 min24%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012588%-5 min
2026-022871%+4 min
2026-03475%+7 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue989%
Wed978%
Thu888%
Fri875%
Sat771%
Sun875%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…