UA1109 ORD → BZN

United Airlines · Chicago, IL to Bozeman, MT · 19 flights observed, 2025-12-18 to 2026-01-05 · 1,185 mi

This flight has been on time less than half the time (42%) — expect a real chance of a delay.

UA1109 covers more than one route in the data window — the stats below are for ORD → BZN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
42%
Median delay
+17 min
90th percentile
+57 min
Cancellation rate
0%

How often is UA1109 on time?

Across 19 flights on ORD → BZN from 2025-12-18 to 2026-01-05, UA1109 arrived within 15 minutes of schedule 42% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +57 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time842%
16-30 min421%
31-60 min526%
61-120 min15%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121436%+37 min
2026-01560%+17 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue250%
Wed250%
Thu30%
Fri367%
Sat30%
Sun367%

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