MIA → ORD American Airlines

American Airlines · Miami, FL to Chicago, IL · 3,015 flights, 2025-07-01 to 2026-06-30 · aggregated across 79 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 +62 min or later.
On-time arrival
72%
Median delay
-4 min
90th percentile
+62 min
Cancellation rate
2%

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

Across every American Airlines flight number on MIA → ORD (3,015 flights, 2025-07-01 to 2026-06-30), 72% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +62 min or later. 2% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2,11572%
16-30 min2499%
31-60 min2599%
61-120 min1846%
2+ hrs1184%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0723656%+25 min
2025-0823863%+20 min
2025-0923670%+11 min
2025-1024875%+8 min
2025-1123181%+3 min
2025-1224078%+6 min
2026-0124275%+13 min
2026-0224976%+4 min
2026-0326868%+16 min
2026-0425080%+8 min
2026-0525676%+11 min
2026-0623170%+19 min

Performance by day of week

DayFlightsOn-time
Mon39668%
Tue44779%
Wed42976%
Thu40474%
Fri41773%
Sat41875%
Sun41462%

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