Route · LAX → BOS · 2020–2025 BTS data
Los Angeles to Boston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAX to BOS (Los Angeles to Boston) ranks #233 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82.7%
- On-time
- +3.7 pts
- vs US avg
- 74 min
- Delay when late
- 24,183
- Flights
- #233 of 4927
- Corpus placement
Cancelled
0.4%
Best Month
Nov 2024 90%
Worst Month
Oct 2025 72%
Distance
2,611 mi
Carriers
28
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 380 | 90 | 5 | 0 | B6,DL,AA,UA |
| Nov 2025 | 376 | 74 | 5 | 1 | UA,DL,AA,B6 |
| Oct 2025 | 403 | 111 | 3 | 1 | AA,B6,DL,UA |
| Sep 2025 | 363 | 98 | 0 | 0 | UA,DL,AA,B6 |
| Aug 2025 | 433 | 53 | 1 | 1 | AA,UA,B6,DL |
| Jul 2025 | 440 | 91 | 1 | 0 | AA,B6,DL,UA |
| Jun 2025 | 394 | 69 | 1 | 0 | AA,B6,DL,UA |
| May 2025 | 435 | 118 | 0 | 5 | AA,B6,DL,UA |
| Apr 2025 | 364 | 43 | 0 | 0 | DL,UA,AA,B6 |
| Mar 2025 | 355 | 45 | 2 | 1 | AA,B6,DL,UA |
| Feb 2025 | 294 | 35 | 2 | 0 | AA,B6,DL,UA |
| Jan 2025 | 319 | 43 | 0 | 1 | AA,B6,DL,UA |
| Dec 2024 | 371 | 77 | 0 | 0 | AA,B6,DL,UA |
| Nov 2024 | 392 | 41 | 0 | 1 | UA,B6,DL,AA |
| Oct 2024 | 487 | 62 | 0 | 1 | UA,DL,B6,AA |
| Sep 2024 | 440 | 63 | 0 | 0 | UA,AA,B6,DL,NK |
| Aug 2024 | 468 | 107 | 2 | 3 | AA,B6,DL,NK,UA |
| Jul 2024 | 430 | 90 | 7 | 0 | AA,B6,DL,UA |
| Jun 2024 | 415 | 102 | 2 | 0 | AA,B6,DL,UA |
| May 2024 | 402 | 93 | 3 | 3 | AA,B6,DL,UA |
| Apr 2024 | 342 | 64 | 1 | 1 | AA,B6,DL,UA |
| Mar 2024 | 351 | 55 | 0 | 1 | AA,B6,DL,UA |
| Feb 2024 | 286 | 36 | 0 | 0 | AA,B6,DL,UA |
| Jan 2024 | 276 | 52 | 2 | 1 | AA,B6,DL,UA |
LAX–BOS seasonal on-time pattern
Best: November (87.8%) · weakest: June (76.1%)
Strongest calendar month
November
87.8% on-time · ~343 flights/mo
Busiest calendar month
August
~397 flights/mo avg
Weakest calendar month
June
76.1% on-time · ~335 flights/mo
Cancellation Rate
0.4%
37 of 9,216 flights
Diversion Rate
0.2%
21 of 9,216 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
LAX on-time profileBOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
BOS on-time profileCompare the two airports
See LAX and BOS side by side on delays, cancellations, and reliability.
Compare LAX vs BOSOrigin-hub reliability standing
Mid-pack among LAX departures
From LAX, this corridor sits with 39 other 75–85% on-time routes out of 80 tracked departures, not the hub's reliability leaders (40 at ≥85%) and not the softest ( 1 below 75%). Destination: Boston · fleet on-time rank #2071 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAX–BOS.
Routes with a similar on-time rate
What the Data Says About LAX to BOS
Bureau of Transportation Statistics records show Los Angeles to Boston (LAX to BOS) running a 82.7% on-time rate over 24,183 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 74.2 minutes. The 2,611-mile corridor is served by 28 carriers, and over the last 24 months 0.4% of 9,216 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 90% on-time, while Oct 2025 came in at just 72% - a 17-point swing worth factoring into travel timing.
On the multi-year calendar, LAX–BOS peaks in November at 87.8% on-time while August carries the heaviest traffic (~397 flights per month) ; the softest month is June at 76.1%, a 11.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LAX to BOS rank among US routes by traffic? ▼
How often are flights delayed from LAX to BOS? ▼
What is the cancellation rate for LAX to BOS? ▼
How far is the flight from LAX to BOS? ▼
When is the best time to fly from LAX to BOS? ▼
Airports on this route
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 LAX–BOS data
LAX–BOS runs 3.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare LAX and BOS airport profiles: delay causes and top routes differ even on the same corridor. LAX airport
- If your dates flex, November (87.8% on-time) beats June (76.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 82.7% 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.
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.