ORD → BOI American Airlines

American Airlines · Chicago, IL to Boise, ID · 378 flights, 2025-07-01 to 2026-06-30 · aggregated across 15 flight numbers

This route runs much more reliably at some times of day than others — 73% on-time departing 9am–12pm vs. 0% departing 6–9pm.
On-time arrival
70%
Median delay
-1 min
90th percentile
+72 min
Cancellation rate
0%

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

Across every American Airlines flight number on ORD → BOI (378 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +72 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time26270%
16-30 min3610%
31-60 min3610%
61-120 min298%
2+ hrs123%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073184%-3 min
2025-083165%+15 min
2025-093083%-1 min
2025-103083%+17 min
2025-112972%+7 min
2025-124129%+48 min
2026-013352%+28 min
2026-022882%-6 min
2026-033165%+10 min
2026-043080%+6 min
2026-053181%+1 min
2026-063080%+11 min

Performance by day of week

DayFlightsOn-time
Mon5465%
Tue5576%
Wed5372%
Thu5377%
Fri5465%
Sat5469%
Sun5265%

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