UA1788 SFO → IAH

United Airlines · San Francisco, CA to Houston, TX · 168 flights observed, 2025-07-01 to 2026-03-04 · 1,635 mi

This flight has a strong track record — on time 97% of the time, with a low cancellation rate.

UA1788 covers more than one route in the data window — the stats below are for SFO → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
97%
Median delay
-8 min
90th percentile
+5 min
Cancellation rate
0%

How often is UA1788 on time?

Across 168 flights on SFO → IAH from 2025-07-01 to 2026-03-04, UA1788 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +5 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time16197%
16-30 min32%
31-60 min11%
61-120 min11%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072997%-4 min
2025-083194%-4 min
2025-097100%-7 min
2025-1031100%-11 min
2025-113093%-5 min
2025-1217100%-9 min
2026-0217100%-20 min
2026-034100%-17 min

Performance by day of week

DayFlightsOn-time
Mon24100%
Tue2496%
Wed23100%
Thu2496%
Fri2496%
Sat2492%
Sun23100%

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