Best Time to Fly LAS to BOS: On-Time Stats by Hour & Airline
Harry Reid International → Logan International
Data through July 2026 · Last updated October 18, 2026
1,610 flights were scheduled from Las Vegas (LAS) to Boston (BOS) in the last 12 months, and 75.4% of those that flew arrived on time, 2.2 points below the US average of 77.6%.
JetBlue was the most punctual of the 2 airlines on the route at 75.8%, while Delta Air Lines trailed at 74.6%.
November has been the best month (86% on time) and Sunday the weakest day of the week (70%).
1.4% of flights were cancelled, versus 1.8% nationally.
LAS to BOS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue | 75.8% | 92 min | 1.3% | 1,046 |
| Delta Air Lines | 74.6% | 73 min | 1.4% | 564 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to BOS
On-time arrival % by scheduled departure hour (local time), 3,426 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 25 | |
| 7am–8am | 79.6% | 2.0% | 50 |
| 9am–10am | 69.8% | 0.0% | 44 |
| 10am–11am | 76.4% | 0.4% | 531 |
| 11am–12pm | 74.7% | 0.5% | 563 |
| 12pm–1pm | 74.5% | 0.7% | 429 |
| 1pm–2pm | 89.2% | 0.0% | 65 |
| 2pm–3pm | 78.5% | 0.5% | 196 |
| 3pm–4pm | 77.9% | 1.5% | 195 |
| 4pm–5pm | Limited data | 3 | |
| 5pm–6pm | Limited data | 28 | |
| 8pm–9pm | 79.4% | 2.2% | 139 |
| 9pm–10pm | 79.3% | 1.4% | 491 |
| 10pm–11pm | 82.4% | 0.5% | 401 |
| 11pm–12am | 81.2% | 2.3% | 266 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to BOS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 83.3% | +4.0 pts | 0.0% | 54 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.0% | -5.3 pts | 2.8% | 108 |
| Summer peak (Jun 15 - Aug 15) | 70.5% | -8.8 pts | 1.1% | 450 |
| All other days | 79.3% | — | 0.8% | 2,814 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).