Flight OddsUA517 SNA → IAH
United Airlines · Santa Ana, CA to Houston, TX · 140 flights observed, 2025-09-25 to 2026-02-11 · 1,346 mi
UA517 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
91%
Median delay
-5 min
90th percentile
+10 min
Cancellation rate
0%
How often is UA517 on time?
Across 140 flights on SNA → IAH from 2025-09-25 to 2026-02-11, UA517 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +10 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 | 126 | 91% |
| 16-30 min | 9 | 6% |
| 31-60 min | 0 | 0% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 6 | 83% | -7 min |
| 2025-10 | 30 | 93% | +0 min |
| 2025-11 | 30 | 87% | +6 min |
| 2025-12 | 31 | 87% | +1 min |
| 2026-01 | 31 | 97% | -8 min |
| 2026-02 | 11 | 91% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 90% |
| Tue | 19 | 100% |
| Wed | 20 | 95% |
| Thu | 20 | 95% |
| Fri | 20 | 90% |
| Sat | 20 | 80% |
| Sun | 20 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…