UA1156 LGA → ORD

United Airlines · New York, NY to Chicago, IL · 94 flights observed, 2026-03-29 to 2026-06-30 · 733 mi

This flight's reliability varies a lot by day of week — 85% on-time on Saturdays vs. 38% on Mondays.

UA1156 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
54%
Median delay
+11 min
90th percentile
+158 min
Cancellation rate
2%

How often is UA1156 on time?

Across 94 flights on LGA → ORD from 2026-03-29 to 2026-06-30, UA1156 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +158 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4954%
16-30 min67%
31-60 min1314%
61-120 min1011%
2+ hrs1314%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0330%+148 min
2026-042846%+31 min
2026-053171%+35 min
2026-062948%+51 min

Performance by day of week

DayFlightsOn-time
Mon1338%
Tue1450%
Wed1338%
Thu1145%
Fri1362%
Sat1385%
Sun1457%

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