73% of BOS → LAS flights arrived on time in June-August 2026 (286 flights). The most reliable was B6 1177, on time 83% of the time on this route. Morning flights did best (83%), evening flights worst (55%). Boston Logan (BOS): no delay reported. Las Vegas (LAS): no delay reported.
Best time of day to fly BOS → LAS
| Morning (before noon) | |
| Evening (after 5 PM) |
Flights BOS → LAS, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| B6 1177 JetBlue | 8:15 AM | 2.2% | |
| DL 497 Delta | 7:50 AM | 0% | |
| B6 777 JetBlue | 7:59 PM | 4.3% |
BOS conditions · LAS conditions · LAS → BOS · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.