UA1477 IAH → SAT

United Airlines · Houston, TX to San Antonio, TX · 334 flights observed, 2025-08-01 to 2026-06-30 · 191 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -6 min, while the worst 10% run +60 min or later.

UA1477 covers more than one route in the data window — the stats below are for IAH → SAT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-6 min
90th percentile
+60 min
Cancellation rate
0%

How often is UA1477 on time?

Across 334 flights on IAH → SAT from 2025-08-01 to 2026-06-30, UA1477 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -6 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-time25075%
16-30 min309%
31-60 min227%
61-120 min144%
2+ hrs175%

Performance by month

MonthFlightsOn-timeAvg delay
2025-083165%+23 min
2025-093073%+14 min
2025-103171%+22 min
2025-113063%+23 min
2025-123187%+0 min
2026-013187%+4 min
2026-022893%-8 min
2026-033073%+4 min
2026-043077%-1 min
2026-053165%+24 min
2026-063073%+19 min

Performance by day of week

DayFlightsOn-time
Mon4760%
Tue4881%
Wed4774%
Thu4781%
Fri4877%
Sat4881%
Sun4871%

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