Flight OddsUA356 ORD → ATL
United Airlines · Chicago, IL to Atlanta, GA · 358 flights observed, 2025-07-01 to 2026-06-30 · 606 mi
UA356 covers more than one route in the data window — the stats below are for ORD → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-2 min
90th percentile
+54 min
Cancellation rate
2%
How often is UA356 on time?
Across 358 flights on ORD → ATL from 2025-07-01 to 2026-06-30, UA356 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +54 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 261 | 75% |
| 16-30 min | 29 | 8% |
| 31-60 min | 28 | 8% |
| 61-120 min | 18 | 5% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 61% | +26 min |
| 2025-08 | 29 | 83% | +11 min |
| 2025-09 | 29 | 86% | +4 min |
| 2025-10 | 31 | 68% | +10 min |
| 2025-11 | 26 | 85% | +4 min |
| 2025-12 | 29 | 69% | +20 min |
| 2026-01 | 31 | 81% | +5 min |
| 2026-02 | 28 | 79% | -1 min |
| 2026-03 | 25 | 64% | +13 min |
| 2026-04 | 29 | 72% | +16 min |
| 2026-05 | 31 | 71% | +18 min |
| 2026-06 | 30 | 80% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 69% |
| Tue | 50 | 90% |
| Wed | 52 | 75% |
| Thu | 50 | 76% |
| Fri | 51 | 69% |
| Sat | 44 | 80% |
| Sun | 51 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…