AA1151 ORD → LAS

American Airlines · Chicago, IL to Las Vegas, NV · 44 flights observed, 2026-04-07 to 2026-05-20 · 1,514 mi

This flight's reliability varies a lot by day of week — 80% on-time on Sundays vs. 33% on Mondays.

AA1151 covers more than one route in the data window — the stats below are for ORD → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
60%
Median delay
+3 min
90th percentile
+115 min
Cancellation rate
0%

How often is AA1151 on time?

Across 44 flights on ORD → LAS from 2026-04-07 to 2026-05-20, AA1151 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +115 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2660%
16-30 min49%
31-60 min37%
61-120 min614%
2+ hrs49%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042458%+50 min
2026-051963%+29 min

Performance by day of week

DayFlightsOn-time
Mon633%
Tue771%
Wed771%
Thu650%
Fri667%
Sat650%
Sun580%

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