Flight OddsUA4911 IAH → SGF
United Airlines · Houston, TX to Springfield, MO · 198 flights observed, 2025-07-03 to 2026-06-30 · 513 mi
On-time arrival
79%
Median delay
-9 min
90th percentile
+53 min
Cancellation rate
2%
How often is UA4911 on time?
Across 198 flights on IAH → SGF from 2025-07-03 to 2026-06-30, UA4911 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +53 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 155 | 79% |
| 16-30 min | 8 | 4% |
| 31-60 min | 16 | 8% |
| 61-120 min | 7 | 4% |
| 2+ hrs | 9 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 12 | 75% | +15 min |
| 2025-08 | 8 | 88% | -11 min |
| 2025-10 | 4 | 75% | +10 min |
| 2025-11 | 19 | 74% | +9 min |
| 2025-12 | 1 | 100% | +12 min |
| 2026-01 | 25 | 84% | -4 min |
| 2026-02 | 26 | 96% | -12 min |
| 2026-03 | 20 | 85% | +50 min |
| 2026-04 | 26 | 77% | -1 min |
| 2026-05 | 25 | 80% | +15 min |
| 2026-06 | 29 | 62% | +27 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 35 | 89% |
| Tue | 16 | 81% |
| Wed | 23 | 83% |
| Thu | 34 | 85% |
| Fri | 36 | 81% |
| Sat | 23 | 74% |
| Sun | 28 | 61% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…