AA1645 ORD → BZN

American Airlines · Chicago, IL to Bozeman, MT · 41 flights observed, 2026-05-21 to 2026-06-30 · 1,185 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is +6 min, while the worst 10% run +67 min or later.

AA1645 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
71%
Median delay
+6 min
90th percentile
+67 min
Cancellation rate
0%

How often is AA1645 on time?

Across 41 flights on ORD → BZN from 2026-05-21 to 2026-06-30, AA1645 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +67 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 min410%
31-60 min37%
61-120 min37%
2+ hrs25%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051164%+14 min
2026-063073%+19 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue683%
Wed560%
Thu667%
Fri667%
Sat650%
Sun683%

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