UA398 ORD → LGA

United Airlines · Chicago, IL to New York, NY · 65 flights observed, 2025-10-26 to 2026-01-05 · 733 mi

This flight's reliability varies a lot by day of week — 89% on-time on Fridays vs. 30% on Sundays.

UA398 covers more than one route in the data window — the stats below are for ORD → LGA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
66%
Median delay
+3 min
90th percentile
+87 min
Cancellation rate
5%

How often is UA398 on time?

Across 65 flights on ORD → LGA from 2025-10-26 to 2026-01-05, UA398 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +87 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4066%
16-30 min711%
31-60 min58%
61-120 min47%
2+ hrs58%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10560%+32 min
2025-112365%+28 min
2025-122861%+17 min
2026-015100%-12 min

Performance by day of week

DayFlightsOn-time
Mon1164%
Tue967%
Wed1080%
Thu863%
Fri989%
Sat475%
Sun1030%

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