Flight OddsORD → CHA United Airlines
United Airlines · Chicago, IL to Chattanooga, TN · 1,400 flights, 2025-07-01 to 2026-06-30 · aggregated across 45 flight numbers
On-time arrival
70%
Median delay
-5 min
90th percentile
+88 min
Cancellation rate
4%
How on-time is United Airlines from ORD to CHA?
Across every United Airlines flight number on ORD → CHA (1,400 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +88 min or later. 4% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 949 | 70% |
| 16-30 min | 110 | 8% |
| 31-60 min | 107 | 8% |
| 61-120 min | 87 | 6% |
| 2+ hrs | 94 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 117 | 67% | +45 min |
| 2025-08 | 96 | 79% | +19 min |
| 2025-09 | 119 | 85% | +3 min |
| 2025-10 | 150 | 81% | +7 min |
| 2025-11 | 135 | 64% | +34 min |
| 2025-12 | 101 | 55% | +35 min |
| 2026-01 | 84 | 67% | +9 min |
| 2026-02 | 79 | 66% | +11 min |
| 2026-03 | 101 | 61% | +40 min |
| 2026-04 | 126 | 65% | +20 min |
| 2026-05 | 123 | 74% | +11 min |
| 2026-06 | 116 | 75% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 196 | 70% |
| Tue | 204 | 80% |
| Wed | 200 | 72% |
| Thu | 196 | 67% |
| Fri | 196 | 68% |
| Sat | 161 | 71% |
| Sun | 194 | 64% |
UA flight numbers on ORD → CHA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…