AA377 LAS → ORD
American Airlines · Las Vegas, NV to Chicago, IL · 21 flights observed, 2026-04-08 to 2026-05-17 · 1,514 mi
AA377 covers more than one route in the data window — the stats below are for LAS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-24 min
90th percentile
+29 min
Cancellation rate
5%
How often is AA377 on time?
Across 21 flights on LAS → ORD from 2026-04-08 to 2026-05-17, AA377 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -24 min, and the worst 10% of flights arrived +29 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 79% |
| 16-30 min | 2 | 11% |
| 31-60 min | 2 | 11% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 13 | 85% | -20 min |
| 2026-05 | 6 | 67% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 2 | 100% |
| Wed | 4 | 75% |
| Thu | No data | — |
| Fri | 2 | 100% |
| Sat | 2 | 100% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…