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Route Reliability

Boston → Los Angeles

BOS–LAX · 2,611 miles · Boston Logan International Airport to Los Angeles International Airport

78
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
10 min
Average arrival delay
1.4%
Cancelled
4,655
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines78%716 flights
  2. 2.JetBlue Airways77%1,622 flights
  3. 3.Delta Air Lines77%1,224 flights
  4. 4.American Airlines74%1,093 flights

What the data says

Morning flights do better here.

BOS–LAX flights departing between 3–6 AM arrived on time 100% of the time, versus 61% between 9 PM–12 AM.

Monday is the weak spot.

BOS–LAX flights arrived on time 80% of the time on Wednesdays. On Mondays: 73%.

United Airlines has a slight edge here.

United Airlines arrived on time 78% of the time on this route; American Airlines managed 74%.

Trending in the right direction.

BOS–LAX flights arrived on time 82% of the time over the last three months in the data, compared with 66% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon73%(662 flights)
  • Tue79%(645 flights)
  • Wed80%(659 flights)
  • Thu75%(681 flights)
  • Fri77%(682 flights)
  • Sat77%(565 flights)
  • Sun76%(687 flights)
On-time by departure window
  • 3–6 AM100%(10 flights)
  • 6–9 AM84%(1496 flights)
  • 9 AM–12 PM82%(766 flights)
  • 12–3 PM77%(534 flights)
  • 3–6 PM72%(554 flights)
  • 6–9 PM66%(1118 flights)
  • 9 PM–12 AM61%(103 flights)
On-time trend by month
85%
May

Jun 81% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%393
July 202574%438
August 202586%433
September 202580%364
October 202572%398
November 202579%369
December 202563%375
January 202668%351
February 202668%315
March 202682%387
April 202680%361
May 202685%397

Keep nerding

Based on 4,655 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.