MSO → ORD American Airlines

American Airlines · Missoula, MT to Chicago, IL · 373 flights, 2025-07-01 to 2026-06-30 · aggregated across 6 flight numbers

This route is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +61 min or later.
On-time arrival
73%
Median delay
-4 min
90th percentile
+61 min
Cancellation rate
0%

How on-time is American Airlines from MSO to ORD?

Across every American Airlines flight number on MSO → ORD (373 flights, 2025-07-01 to 2026-06-30), 73% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +61 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time26773%
16-30 min349%
31-60 min277%
61-120 min205%
2+ hrs175%

Performance by month

MonthFlightsOn-timeAvg delay
2025-075866%+23 min
2025-085671%+9 min
2025-094879%+4 min
2025-1010100%-6 min
2025-121443%+25 min
2026-013168%+19 min
2026-022871%+3 min
2026-033165%+25 min
2026-042879%+13 min
2026-053194%-17 min
2026-063077%+34 min

Performance by day of week

DayFlightsOn-time
Mon5267%
Tue5381%
Wed5180%
Thu5281%
Fri5362%
Sat5175%
Sun5366%

AA flight numbers on MSO → ORD

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…