Flight OddsUA4966 SGF → IAH
United Airlines · Springfield, MO to Houston, TX · 140 flights observed, 2025-12-18 to 2026-05-20 · 513 mi
UA4966 covers more than one route in the data window — the stats below are for SGF → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-14 min
90th percentile
+31 min
Cancellation rate
1%
How often is UA4966 on time?
Across 140 flights on SGF → IAH from 2025-12-18 to 2026-05-20, UA4966 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +31 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 121 | 87% |
| 16-30 min | 4 | 3% |
| 31-60 min | 3 | 2% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 8 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 93% | +13 min |
| 2026-01 | 30 | 80% | +19 min |
| 2026-02 | 26 | 92% | +2 min |
| 2026-03 | 24 | 96% | -18 min |
| 2026-04 | 25 | 84% | +3 min |
| 2026-05 | 20 | 80% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 79% |
| Tue | 22 | 91% |
| Wed | 14 | 93% |
| Thu | 19 | 89% |
| Fri | 22 | 91% |
| Sat | 22 | 82% |
| Sun | 21 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…