AA1159 MIA → ORD

American Airlines · Miami, FL to Chicago, IL · 88 flights observed, 2025-08-06 to 2025-11-01 · 1,197 mi

This flight's reliability varies a lot by day of week — 69% on-time on Wednesdays vs. 33% on Tuesdays.

AA1159 covers more than one route in the data window — the stats below are for MIA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
53%
Median delay
+11 min
90th percentile
+103 min
Cancellation rate
0%

How often is AA1159 on time?

Across 88 flights on MIA → ORD from 2025-08-06 to 2025-11-01, AA1159 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +103 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4653%
16-30 min1416%
31-60 min1214%
61-120 min89%
2+ hrs67%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082433%+47 min
2025-093053%+27 min
2025-103168%+14 min
2025-111100%0 min

Performance by day of week

DayFlightsOn-time
Mon1164%
Tue1233%
Wed1369%
Thu1354%
Fri1338%
Sat1250%
Sun1267%

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