Flight OddsORD → ATL United Airlines
United Airlines · Chicago, IL to Atlanta, GA · 1,627 flights, 2025-07-01 to 2026-06-30 · aggregated across 25 flight numbers
On-time arrival
76%
Median delay
-4 min
90th percentile
+55 min
Cancellation rate
1%
How on-time is United Airlines from ORD to ATL?
Across every United Airlines flight number on ORD → ATL (1,627 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +55 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,215 | 76% |
| 16-30 min | 139 | 9% |
| 31-60 min | 116 | 7% |
| 61-120 min | 72 | 4% |
| 2+ hrs | 63 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 122 | 62% | +24 min |
| 2025-08 | 132 | 77% | +8 min |
| 2025-09 | 145 | 89% | +0 min |
| 2025-10 | 150 | 81% | +6 min |
| 2025-11 | 130 | 77% | +10 min |
| 2025-12 | 107 | 65% | +15 min |
| 2026-01 | 115 | 71% | +11 min |
| 2026-02 | 108 | 83% | +1 min |
| 2026-03 | 118 | 64% | +21 min |
| 2026-04 | 139 | 78% | +10 min |
| 2026-05 | 169 | 79% | +10 min |
| 2026-06 | 170 | 75% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 238 | 71% |
| Tue | 240 | 82% |
| Wed | 238 | 79% |
| Thu | 232 | 78% |
| Fri | 237 | 73% |
| Sat | 188 | 79% |
| Sun | 232 | 69% |
UA flight numbers on ORD → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…