UA2000 ORD → STL

United Airlines · Chicago, IL to St. Louis, MO · 41 flights observed, 2026-05-21 to 2026-06-30 · 258 mi

This flight's reliability varies a lot by day of week — 100% on-time on Saturdays vs. 33% on Thursdays.

UA2000 covers more than one route in the data window — the stats below are for ORD → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
+3 min
90th percentile
+146 min
Cancellation rate
0%

How often is UA2000 on time?

Across 41 flights on ORD → STL from 2026-05-21 to 2026-06-30, UA2000 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +146 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2971%
16-30 min37%
31-60 min37%
61-120 min12%
2+ hrs512%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051182%+19 min
2026-063067%+35 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue683%
Wed560%
Thu633%
Fri667%
Sat6100%
Sun667%

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