AA4151 MSP → ORD

American Airlines · Minneapolis, MN to Chicago, IL · 141 flights observed, 2025-07-01 to 2026-04-05 · 334 mi

This flight's reliability varies a lot by day of week — 80% on-time on Tuesdays vs. 41% on Thursdays.

AA4151 covers more than one route in the data window — the stats below are for MSP → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
55%
Median delay
+12 min
90th percentile
+94 min
Cancellation rate
8%

How often is AA4151 on time?

Across 141 flights on MSP → ORD from 2025-07-01 to 2026-04-05, AA4151 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +94 min or later. 8% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time7155%
16-30 min1713%
31-60 min1310%
61-120 min1814%
2+ hrs118%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072737%+57 min
2025-081953%+31 min
2025-111471%+21 min
2025-121217%+72 min
2026-012348%+19 min
2026-022181%+7 min
2026-031275%+2 min
2026-042100%-17 min

Performance by day of week

DayFlightsOn-time
Mon1958%
Tue1580%
Wed1346%
Thu2241%
Fri1753%
Sat2050%
Sun2458%

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