DL497 BOS → LAS
Delta Air Lines · Boston, MA to Las Vegas, NV · 359 flights observed, 2025-07-07 to 2026-06-30 · 2,381 mi
DL497 covers more than one route in the data window — the stats below are for BOS → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-7 min
90th percentile
+28 min
Cancellation rate
1%
How often is DL497 on time?
Across 359 flights on BOS → LAS from 2025-07-07 to 2026-06-30, DL497 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +28 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 293 | 83% |
| 16-30 min | 28 | 8% |
| 31-60 min | 18 | 5% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 88% | +1 min |
| 2025-08 | 31 | 84% | +0 min |
| 2025-09 | 30 | 80% | 0 min |
| 2025-10 | 31 | 87% | -8 min |
| 2025-11 | 30 | 83% | 0 min |
| 2025-12 | 31 | 81% | +4 min |
| 2026-01 | 29 | 79% | -4 min |
| 2026-02 | 26 | 69% | +17 min |
| 2026-03 | 31 | 81% | +6 min |
| 2026-04 | 30 | 97% | -12 min |
| 2026-05 | 31 | 87% | -5 min |
| 2026-06 | 30 | 73% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 82% |
| Tue | 50 | 82% |
| Wed | 51 | 82% |
| Thu | 51 | 71% |
| Fri | 51 | 86% |
| Sat | 51 | 88% |
| Sun | 51 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…