UA1668 AUS → SFO

United Airlines · Austin, TX to San Francisco, CA · 312 flights observed, 2025-08-19 to 2026-06-30 · 1,504 mi

This flight runs much more reliably at some times of day than others — 89% on-time departing 9am–12pm vs. 53% departing 6–9am.

UA1668 covers more than one route in the data window — the stats below are for AUS → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
-7 min
90th percentile
+60 min
Cancellation rate
0%

How often is UA1668 on time?

Across 312 flights on AUS → SFO from 2025-08-19 to 2026-06-30, UA1668 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +60 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time23576%
16-30 min155%
31-60 min3010%
61-120 min217%
2+ hrs93%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0813100%-18 min
2025-092990%-3 min
2025-102886%+13 min
2025-113083%-2 min
2025-123187%+1 min
2026-013083%-4 min
2026-022785%0 min
2026-033184%-2 min
2026-043053%+26 min
2026-053145%+32 min
2026-063053%+21 min

Performance by day of week

DayFlightsOn-time
Mon4576%
Tue4683%
Wed4578%
Thu4564%
Fri4578%
Sat4584%
Sun3967%

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