Route
LAS → BOS
Harry Reid International Airport Boston Logan International Airport
How punctual is this route?
- On-time arrivals
- 74.6%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 93 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,597
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 34%
- Late-arriving aircraft 32%
- Airline (crew, maintenance, cleaning) 31%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 64.8% | 146 |
| October 2025 | 63.4% | 164 |
| November 2025 | 83.6% | 116 |
| December 2025 | 84.3% | 122 |
| January 2026 | 78.2% | 139 |
| February 2026 | 77.5% | 130 |
| March 2026 | 78.4% | 168 |
| April 2026 | 74.5% | 166 |
| May 2026 | 78.3% | 158 |
| June 2026 | 87.1% | 102 |
| July 2026 | 56.7% | 93 |
| August 2026 | 67.0% | 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 | 1,046 | 75.1% | 1.7% | 99 min |
| Delta Air Lines | 551 | 73.7% | 1.5% | 82 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
B6778
30% late · 239 flights
-
B6278
21% late · 196 flights
-
DL373
17% late · 182 flights
-
B61178
34% late · 158 flights
-
B62178
18% late · 152 flights
-
B6178
16% late · 130 flights
-
DL408
35% late · 110 flights
-
DL430
38% late · 86 flights
-
DL497
20% late · 80 flights
-
DL828
27% late · 58 flights
-
B61478
20% late · 56 flights
-
B6978
38% late · 53 flights
-
B61578
38% late · 40 flights
-
DL498
29% late · 31 flights
-
B6478
0% late · 20 flights
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