UA1209 IAH → ORD

United Airlines · Houston, TX to Chicago, IL · 20 flights observed, 2026-05-01 to 2026-05-20 · 925 mi

This flight has been on time less than half the time (45%) — expect a real chance of a delay.

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

On-time arrival
45%
Median delay
+25 min
90th percentile
+84 min
Cancellation rate
0%

How often is UA1209 on time?

Across 20 flights on IAH → ORD from 2026-05-01 to 2026-05-20, UA1209 arrived within 15 minutes of schedule 45% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +84 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time945%
16-30 min315%
31-60 min525%
61-120 min315%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-052045%+29 min

Performance by day of week

DayFlightsOn-time
Mon333%
Tue30%
Wed367%
Thu250%
Fri333%
Sat367%
Sun367%

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