UA1504 ORD → ATL

United Airlines · Chicago, IL to Atlanta, GA · 46 flights observed, 2025-07-01 to 2025-12-17 · 606 mi

This flight has been on time less than half the time (41%) — expect a real chance of a delay.

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).

ArrivalFlightsShare
Early / on-time1941%
16-30 min1022%
31-60 min1022%
61-120 min12%
2+ hrs613%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073043%+52 min
2025-121638%+28 min

Performance by day of week

DayFlightsOn-time
Mon650%
Tue850%
Wed838%
Thu714%
Fri540%
Sat683%
Sun617%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…