Flight OddsCHA → ORD United Airlines
United Airlines · Chattanooga, TN to Chicago, IL · 1,400 flights, 2025-07-01 to 2026-06-30 · aggregated across 46 flight numbers
On-time arrival
72%
Median delay
-2 min
90th percentile
+85 min
Cancellation rate
3%
How on-time is United Airlines from CHA to ORD?
Across every United Airlines flight number on CHA → ORD (1,400 flights, 2025-07-01 to 2026-06-30), 72% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +85 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 961 | 72% |
| 16-30 min | 120 | 9% |
| 31-60 min | 98 | 7% |
| 61-120 min | 71 | 5% |
| 2+ hrs | 93 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 116 | 62% | +35 min |
| 2025-08 | 97 | 76% | +16 min |
| 2025-09 | 117 | 79% | +7 min |
| 2025-10 | 150 | 78% | +4 min |
| 2025-11 | 138 | 66% | +54 min |
| 2025-12 | 101 | 63% | +32 min |
| 2026-01 | 82 | 73% | +5 min |
| 2026-02 | 79 | 76% | +11 min |
| 2026-03 | 100 | 64% | +37 min |
| 2026-04 | 125 | 72% | +18 min |
| 2026-05 | 121 | 79% | +18 min |
| 2026-06 | 117 | 70% | +30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 196 | 69% |
| Tue | 205 | 75% |
| Wed | 198 | 75% |
| Thu | 194 | 72% |
| Fri | 199 | 67% |
| Sat | 161 | 76% |
| Sun | 190 | 67% |
UA flight numbers on CHA → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…