Flight OddsUA643 SNA → IAH
United Airlines · Santa Ana, CA to Houston, TX · 171 flights observed, 2025-12-18 to 2026-06-30 · 1,346 mi
UA643 covers more than one route in the data window — the stats below are for SNA → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-8 min
90th percentile
+19 min
Cancellation rate
0%
How often is UA643 on time?
Across 171 flights on SNA → IAH from 2025-12-18 to 2026-06-30, UA643 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +19 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 | 150 | 88% |
| 16-30 min | 7 | 4% |
| 31-60 min | 3 | 2% |
| 61-120 min | 9 | 5% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 93% | 0 min |
| 2026-01 | 31 | 90% | -1 min |
| 2026-02 | 28 | 89% | -5 min |
| 2026-03 | 7 | 100% | -14 min |
| 2026-04 | 30 | 87% | -5 min |
| 2026-05 | 31 | 94% | -6 min |
| 2026-06 | 30 | 73% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 96% |
| Tue | 25 | 92% |
| Wed | 24 | 88% |
| Thu | 24 | 92% |
| Fri | 24 | 83% |
| Sat | 24 | 71% |
| Sun | 25 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…