UA5521 ORD → COU

United Airlines · Chicago, IL to Columbia, MO · 248 flights observed, 2025-10-26 to 2026-06-30 · 315 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +84 min or later.

UA5521 covers more than one route in the data window — the stats below are for ORD → COU, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-4 min
90th percentile
+84 min
Cancellation rate
3%

How often is UA5521 on time?

Across 248 flights on ORD → COU from 2025-10-26 to 2026-06-30, UA5521 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +84 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time16971%
16-30 min177%
31-60 min198%
61-120 min198%
2+ hrs156%

Performance by month

MonthFlightsOn-timeAvg delay
2025-106100%-23 min
2025-112966%+16 min
2025-123161%+30 min
2026-012966%+13 min
2026-022871%+12 min
2026-032861%+35 min
2026-042966%+21 min
2026-052993%-4 min
2026-063077%+18 min

Performance by day of week

DayFlightsOn-time
Mon3373%
Tue3667%
Wed3566%
Thu3471%
Fri3474%
Sat3376%
Sun3471%

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