Route
BOS → LAS
Boston Logan International Airport Harry Reid International Airport
How punctual is this route?
- On-time arrivals
- 74.7%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,596
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 24%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.5% | 146 |
| October 2025 | 72.0% | 165 |
| November 2025 | 81.9% | 116 |
| December 2025 | 72.5% | 121 |
| January 2026 | 69.5% | 139 |
| February 2026 | 69.7% | 130 |
| March 2026 | 71.4% | 168 |
| April 2026 | 81.8% | 165 |
| May 2026 | 74.8% | 159 |
| June 2026 | 72.0% | 101 |
| July 2026 | 74.7% | 93 |
| August 2026 | 72.2% | 93 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| JetBlue Airways | 1,045 | 73.2% | 1.5% | 78 min |
| Delta Air Lines | 551 | 77.5% | 1.3% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL497
19% late · 365 flights
-
B6777
40% late · 238 flights
-
B62677
23% late · 196 flights
-
B61177
15% late · 158 flights
-
B62577
15% late · 148 flights
-
B6177
33% late · 145 flights
-
DL408
30% late · 135 flights
-
B6977
25% late · 53 flights
-
DL373
30% late · 47 flights
-
B62077
30% late · 45 flights
-
B61577
32% late · 41 flights
-
B6477
33% late · 21 flights
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