UA1788 SFO → IAH
United Airlines · San Francisco, CA to Houston, TX · 168 flights observed, 2025-07-01 to 2026-03-04 · 1,635 mi
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).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 161 | 97% |
| 16-30 min | 3 | 2% |
| 31-60 min | 1 | 1% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 97% | -4 min |
| 2025-08 | 31 | 94% | -4 min |
| 2025-09 | 7 | 100% | -7 min |
| 2025-10 | 31 | 100% | -11 min |
| 2025-11 | 30 | 93% | -5 min |
| 2025-12 | 17 | 100% | -9 min |
| 2026-02 | 17 | 100% | -20 min |
| 2026-03 | 4 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 100% |
| Tue | 24 | 96% |
| Wed | 23 | 100% |
| Thu | 24 | 96% |
| Fri | 24 | 96% |
| Sat | 24 | 92% |
| Sun | 23 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…