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Route · LAS → BOS · 2020–2025 BTS data

Las Vegas to Boston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAS to BOS (Las Vegas to Boston) ranks #1460 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77%
On-time
-2 pts
vs US avg
87 min
Delay when late
8,363
Flights
#1460 of 4927
Corpus placement

Cancelled

0.5%

Best Month

Apr 2025 92%

Worst Month

Oct 2025 63%

Distance

2,381 mi

Carriers

11

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 122 19 1 0 DL,B6
Nov 2025 116 19 0 0 B6,DL
Oct 2025 164 60 0 0 B6,DL
Sep 2025 146 51 0 1 DL,B6
Aug 2025 106 20 0 2 B6,DL
Jul 2025 122 30 2 2 B6,DL
Jun 2025 137 38 0 2 B6,DL
May 2025 180 47 0 2 B6,DL
Apr 2025 172 14 1 0 B6,DL
Mar 2025 172 30 1 0 B6,DL
Feb 2025 140 36 2 0 B6,DL
Jan 2025 138 20 0 0 B6,DL
Dec 2024 137 31 2 1 B6,DL,NK
Nov 2024 142 18 0 0 B6,DL
Oct 2024 177 17 0 2 DL,B6
Sep 2024 160 32 0 2 B6,DL
Aug 2024 139 37 2 4 B6,DL
Jul 2024 113 32 5 4 B6,DL
Jun 2024 121 34 0 7 B6,DL
May 2024 137 28 0 2 B6,DL
Apr 2024 124 28 1 0 B6,DL
Mar 2024 128 22 0 0 B6,DL
Feb 2024 113 18 1 0 B6,DL
Jan 2024 115 25 0 0 B6,DL,NK

LAS–BOS seasonal on-time pattern

Best: November (84.9%) · weakest: July (68.3%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 78.4%

Strongest calendar month

November

84.9% on-time · ~112 flights/mo

Busiest calendar month

May

~148 flights/mo avg

Weakest calendar month

July

68.3% on-time · ~116 flights/mo

Cancellation Rate

0.5%

18 of 3,321 flights

Diversion Rate

0.9%

31 of 3,321 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

LAS - Las Vegas

Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.

LAS on-time profile

BOS - Boston

Full on-time, delay-cause, and seasonal performance for Boston, MA.

BOS on-time profile

Compare the two airports

See LAS and BOS side by side on delays, cancellations, and reliability.

Compare LAS vs BOS

Origin-hub reliability standing

Mid-pack among LAS departures

From LAS, this corridor sits with 71 other 75–85% on-time routes out of 83 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 10 below 75%). Destination: Boston · fleet on-time rank #4096 of 4927.

What the Data Says About LAS to BOS

The Las Vegas to Boston corridor (LAS to BOS) posts a 77% on-time rate on the lower edge of the average band, based on 8,363 tracked flights. Late flights run 87.4 minutes behind on average. 11 carriers cover the 2,381-mile route; over the last 24 months, 18 of 3,321 flights were cancelled (0.5%) and 0.9% diverted.

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 92% on-time, while Oct 2025 came in at just 63% - a 28-point swing worth factoring into travel timing.

On the multi-year calendar, LAS–BOS peaks in November at 84.9% on-time while May carries the heaviest traffic (~148 flights per month) ; the softest month is July at 68.3%, a 16.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LAS to BOS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LAS to BOS ranks #1460 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from LAS to BOS? ▼
Flights from Las Vegas to Boston have a 77% on-time rate based on 8,363 flights. The average delay is 87.4 minutes. The best recent month was Apr 2025 with 92% on-time.
What is the cancellation rate for LAS to BOS? ▼
Over the last 24 months, 0.5% of flights on this route were cancelled (18 of 3,321 flights) and 0.9% were diverted.
How far is the flight from LAS to BOS? ▼
The flight distance from Las Vegas (LAS) to Boston (BOS) is approximately 2,381 miles. This route is served by 11 carriers.
When is the best time to fly from LAS to BOS? ▼
The best recent month for on-time performance was Apr 2025 (92% on-time). The worst was Oct 2025 (63% on-time). Consider booking during months with historically better performance.

Airports on this route

LAS Airport

Las Vegas
BOS Airport

Boston
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using LAS–BOS data

LAS–BOS is mid-pack at 77% on-time; month and carrier mix move more than the corridor headline.

  • Compare LAS and BOS airport profiles: delay causes and top routes differ even on the same corridor. LAS airport
  • If your dates flex, November (84.9% on-time) beats July (68.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.