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Route Reliability

San Jose → Los Angeles

SJC–LAX · 308 miles · San José Mineta International Airport to Los Angeles International Airport

93
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
3 min early
Average arrival delay
0.7%
Cancelled
4,866
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Delta Air Lines93%2,259 flights
  2. 2.Alaska Airlines88%711 flights
  3. 3.Southwest Airlines81%1,808 flights

Not enough history to rank: Frontier Airlines (77 flights), American Airlines (10 flights), United Airlines (1 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

SJC–LAX flights departing between 6–9 AM arrived on time 96% of the time, versus 79% between 6–9 PM.

Tuesday comes out ahead.

A small edge: 91% on time on Tuesdays against 85% on Fridays.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 93% of the time on this route; Southwest Airlines managed 81%.

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
  • Mon87%(746 flights)
  • Tue91%(631 flights)
  • Wed91%(618 flights)
  • Thu87%(741 flights)
  • Fri85%(745 flights)
  • Sat90%(594 flights)
  • Sun86%(754 flights)
On-time by departure window
  • 6–9 AM96%(1031 flights)
  • 9 AM–12 PM93%(1006 flights)
  • 12–3 PM86%(751 flights)
  • 3–6 PM86%(849 flights)
  • 6–9 PM79%(1105 flights)
  • 9 PM–12 AM82%(87 flights)
On-time trend by month
90%
May

Jun 87% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%451
July 202587%458
August 202589%474
September 202590%443
October 202585%496
November 202587%406
December 202583%399
January 202693%320
February 202685%315
March 202689%348
April 202691%339
May 202690%380

Same trip, other airports

Keep nerding

Based on 4,866 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.