Flight OddsUA4529 ORD → SGF
United Airlines · Chicago, IL to Springfield, MO · 147 flights observed, 2025-07-01 to 2026-06-30 · 438 mi
UA4529 covers more than one route in the data window — the stats below are for ORD → SGF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-9 min
90th percentile
+74 min
Cancellation rate
1%
How often is UA4529 on time?
Across 147 flights on ORD → SGF from 2025-07-01 to 2026-06-30, UA4529 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +74 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 | 103 | 72% |
| 16-30 min | 11 | 8% |
| 31-60 min | 10 | 7% |
| 61-120 min | 8 | 6% |
| 2+ hrs | 12 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +6 min |
| 2025-08 | 18 | 78% | +6 min |
| 2025-12 | 29 | 66% | +46 min |
| 2026-01 | 4 | 100% | -22 min |
| 2026-03 | 23 | 52% | +59 min |
| 2026-05 | 11 | 82% | +4 min |
| 2026-06 | 29 | 76% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 76% |
| Tue | 21 | 67% |
| Wed | 20 | 75% |
| Thu | 19 | 63% |
| Fri | 22 | 68% |
| Sat | 21 | 90% |
| Sun | 20 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…