UA1209 MCI → ORD

United Airlines · Kansas City, MO to Chicago, IL · 58 flights observed, 2025-08-19 to 2025-12-17 · 403 mi

This flight's reliability varies a lot by day of week — 90% on-time on Tuesdays vs. 40% on Sundays.

UA1209 covers more than one route in the data window — the stats below are for MCI → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
63%
Median delay
+11 min
90th percentile
+106 min
Cancellation rate
3%

How often is UA1209 on time?

Across 58 flights on MCI → ORD from 2025-08-19 to 2025-12-17, UA1209 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +106 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3563%
16-30 min713%
31-60 min59%
61-120 min59%
2+ hrs47%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081283%+4 min
2025-0910%+62 min
2025-10667%+23 min
2025-112259%+39 min
2025-121553%+25 min

Performance by day of week

DayFlightsOn-time
Mon967%
Tue1090%
Wed967%
Thu757%
Fri956%
Sat250%
Sun1040%

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