UA1504 LGA → ORD

United Airlines · New York, NY to Chicago, IL · 308 flights observed, 2025-07-01 to 2026-06-30 · 733 mi

This flight's scheduled flight time has grown by 15 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.

UA1504 covers more than one route in the data window — the stats below are for LGA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
59%
Median delay
+8 min
90th percentile
+139 min
Cancellation rate
4%

How often is UA1504 on time?

Across 308 flights on LGA → ORD from 2025-07-01 to 2026-06-30, UA1504 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +139 min or later. 4% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time17359%
16-30 min248%
31-60 min3211%
61-120 min3010%
2+ hrs3512%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073043%+82 min
2025-083057%+39 min
2025-093083%+14 min
2025-103132%+56 min
2025-112450%+42 min
2025-122055%+22 min
2026-012378%+18 min
2026-021090%-13 min
2026-032552%+75 min
2026-042560%+42 min
2026-052475%+24 min
2026-062255%+46 min

Performance by day of week

DayFlightsOn-time
Mon4659%
Tue4967%
Wed4461%
Thu4267%
Fri4659%
Sat2348%
Sun4445%

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