ORD → LAS American Airlines

American Airlines · Chicago, IL to Las Vegas, NV · 1,852 flights, 2025-07-01 to 2026-06-30 · aggregated across 43 flight numbers

This route runs much more reliably at some times of day than others — 86% on-time departing 6–9am vs. 49% departing 9pm–12am.
On-time arrival
68%
Median delay
-2 min
90th percentile
+75 min
Cancellation rate
2%

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

Across every American Airlines flight number on ORD → LAS (1,852 flights, 2025-07-01 to 2026-06-30), 68% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +75 min or later. 2% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,21768%
16-30 min1709%
31-60 min19011%
61-120 min1488%
2+ hrs744%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0712863%+24 min
2025-0814974%+11 min
2025-0916371%+13 min
2025-1017969%+12 min
2025-1112087%+0 min
2025-1211964%+27 min
2026-019071%+12 min
2026-0213476%+8 min
2026-0317464%+15 min
2026-0419155%+27 min
2026-0518669%+18 min
2026-0616658%+20 min

Performance by day of week

DayFlightsOn-time
Mon26465%
Tue26177%
Wed24571%
Thu25266%
Fri26569%
Sat24569%
Sun26756%

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