Route · BOS → LAX · 2020–2025 BTS data
Boston to Los Angeles
The BOS–LAX corridor (Boston, MA → Los Angeles, CA) runs ahead of the national average, served by 26 carriers across roughly 2,611 miles.
Data updated 2026-06-13
- 80.4%
- On-time
- +1.4 pts
- vs US avg
- 83 min
- Delay when late
- 24,177
- Flights
Cancelled
0.4%
Best Month
Jan 2025 88%
Worst Month
Feb 2025 62%
Distance
2,611 mi
Carriers
26
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 381 | 142 | 5 | 1 | B6,DL,AA,UA |
| Nov 2025 | 375 | 81 | 5 | 1 | UA,DL,AA,B6 |
| Oct 2025 | 402 | 116 | 3 | 1 | AA,B6,DL,UA |
| Sep 2025 | 364 | 76 | 0 | 0 | UA,DL,AA,B6 |
| Aug 2025 | 433 | 64 | 0 | 0 | AA,UA,B6,DL |
| Jul 2025 | 439 | 120 | 1 | 0 | AA,B6,DL,UA |
| Jun 2025 | 394 | 78 | 1 | 0 | AA,B6,DL,UA |
| May 2025 | 436 | 61 | 0 | 0 | AA,B6,DL,UA |
| Apr 2025 | 363 | 64 | 0 | 0 | UA,AA,B6,DL |
| Mar 2025 | 356 | 49 | 2 | 0 | AA,B6,DL,UA |
| Feb 2025 | 293 | 112 | 4 | 0 | AA,B6,DL,UA |
| Jan 2025 | 320 | 37 | 0 | 1 | AA,B6,DL,UA |
| Dec 2024 | 372 | 81 | 0 | 0 | AA,B6,DL,UA |
| Nov 2024 | 392 | 64 | 0 | 0 | UA,B6,DL,AA |
| Oct 2024 | 487 | 66 | 0 | 0 | UA,DL,B6,AA |
| Sep 2024 | 439 | 68 | 0 | 0 | UA,AA,B6,DL,NK |
| Aug 2024 | 467 | 111 | 3 | 0 | AA,B6,DL,NK,UA |
| Jul 2024 | 430 | 110 | 8 | 2 | AA,B6,DL,UA |
| Jun 2024 | 415 | 122 | 2 | 1 | AA,B6,DL,UA |
| May 2024 | 401 | 91 | 3 | 1 | AA,B6,DL,UA |
| Apr 2024 | 342 | 67 | 0 | 0 | AA,B6,DL,UA |
| Mar 2024 | 349 | 49 | 0 | 2 | AA,B6,DL,UA |
| Feb 2024 | 284 | 34 | 0 | 0 | AA,B6,DL,UA |
| Jan 2024 | 277 | 50 | 2 | 0 | AA,B6,DL,UA |
Cancellation Rate
0.4%
39 of 9,211 flights
Diversion Rate
0.1%
10 of 9,211 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Origin airport →LAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
Destination airport →Compare the two airports
See BOS and LAX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–LAX.
Routes with a similar on-time rate
What the Data Says About BOS to LAX
24,177 tracked flights put the BOS to LAX pairing (Boston to Los Angeles) at a 80.4% on-time rate, squarely in line with the wider network. Delays that do occur run 83.4 minutes on average. Across the 2,611-mile route and its 26 carriers, the trailing 24 months show 0.4% cancelled and 0.1% diverted (9,211 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 88% on-time, while Feb 2025 came in at just 62% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.