UA1504 ORD → ATL
United Airlines · Chicago, IL to Atlanta, GA · 46 flights observed, 2025-07-01 to 2025-12-17 · 606 mi
UA1504 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
41%
Median delay
+26 min
90th percentile
+170 min
Cancellation rate
0%
How often is UA1504 on time?
Across 46 flights on ORD → ATL from 2025-07-01 to 2025-12-17, UA1504 arrived within 15 minutes of schedule 41% of the time. The median arrival delay was +26 min, and the worst 10% of flights arrived +170 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 41% |
| 16-30 min | 10 | 22% |
| 31-60 min | 10 | 22% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 6 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 43% | +52 min |
| 2025-12 | 16 | 38% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 8 | 50% |
| Wed | 8 | 38% |
| Thu | 7 | 14% |
| Fri | 5 | 40% |
| Sat | 6 | 83% |
| Sun | 6 | 17% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…