Delta Air Lines LAS to BOS on-time performance
Delta Air Lines nonstop flights from Las Vegas to Boston · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.4%
8 flights
Avg arrival delay
20 min
73 min when late
Rank on route
#2 of 2
route average 75% on time
Key facts
- Delta Air Lines flights on LAS to BOS arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 10% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (43%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion43%
- Late-arriving aircraft28%
- Airline (crew, maintenance, cleaning, fueling)26%
- Extreme weather3%
- Security0%
Other airlines on LAS to BOS
- JetBlue76% on time · 23 min avg delay
Full LAS to BOS comparison →
Delta Air Lines on-time record across all routes →
564 Delta Air Lines flights tracked on this route; 8 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.