Flight OddsDEC → ORD United Airlines
United Airlines · Decatur, IL to Chicago, IL · 626 flights, 2025-07-01 to 2026-06-30 · aggregated across 8 flight numbers
On-time arrival
69%
Median delay
-1 min
90th percentile
+82 min
Cancellation rate
5%
How on-time is United Airlines from DEC to ORD?
Across every United Airlines flight number on DEC → ORD (626 flights, 2025-07-01 to 2026-06-30), 69% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +82 min or later. 5% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 408 | 69% |
| 16-30 min | 51 | 9% |
| 31-60 min | 48 | 8% |
| 61-120 min | 47 | 8% |
| 2+ hrs | 37 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 49 | 73% | +11 min |
| 2025-08 | 51 | 73% | +12 min |
| 2025-09 | 51 | 76% | +6 min |
| 2025-10 | 54 | 63% | +17 min |
| 2025-11 | 47 | 64% | +28 min |
| 2025-12 | 50 | 66% | +37 min |
| 2026-01 | 50 | 62% | +44 min |
| 2026-02 | 48 | 79% | +32 min |
| 2026-03 | 45 | 69% | +19 min |
| 2026-04 | 47 | 74% | +12 min |
| 2026-05 | 52 | 65% | +60 min |
| 2026-06 | 47 | 64% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 98 | 77% |
| Tue | 54 | 70% |
| Wed | 98 | 71% |
| Thu | 95 | 69% |
| Fri | 100 | 65% |
| Sat | 51 | 65% |
| Sun | 95 | 64% |
UA flight numbers on DEC → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…