LAS to BOS flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Boston Logan International Airport · 2,381 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or BOS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Las Vegas (LAS) to Boston (BOS) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.4% were cancelled, and 11% arrived an hour or more late.
- JetBlue was the most punctual airline here (76% on time); Delta Air Lines was the least (75%).
- Departures scheduled around 9pm did best (82% on time); around 11pm did worst (61%).
- Tuesday was the most reliable day to fly (83% on time) and Sunday the least (70%).
- The largest source of delay minutes was air traffic control & airport congestion (35%).
Which airline is most on time from LAS to BOS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| JetBlue | 76% | 1.3% | 23 min | 11.1% | 1,046 |
| Delta Air Lines | 75% | 1.4% | 20 min | 10.1% | 564 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am100%22 flights
- 9am75%32 flights
- 10am70%302 flights
- 11am75%221 flights
- 12pm71%263 flights
- 2pm80%154 flights
- 3pm76%48 flights
- 8pm74%92 flights
- 9pm82%343 flights
- 10pm76%44 flights
- 11pm61%67 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%2.4% cancelled
- Tuesday83%0.5% cancelled
- Wednesday74%0.5% cancelled
- Thursday73%0.4% cancelled
- Friday77%0.4% cancelled
- Saturday81%0.5% cancelled
- Sunday70%4.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion35%
- Late-arriving aircraft32%
- Airline (crew, maintenance, cleaning, fueling)31%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather77%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion0%
- Security0%
LAS to BOS: common questions
- How often are LAS to BOS flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Las Vegas to Boston cancelled?
- 1.4% of scheduled flights were cancelled (22 of 1,610).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 85 min behind schedule on average, and 10.7% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOS to LAS — 76% on time
More flights from Las Vegas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → BOS, nonstop flights by US airlines that report to the DOT. How we calculate this.