Which airline has the most delays LAX to SFO?

Frontier Airlines has the lowest on-time rate on the LAX to SFO route at 54%.

Which airline cancels the most flights LAX to SFO?

Frontier Airlines has the highest cancellation rate on this route at 1.5%.

Best Airline: LAX to SFO

Q: Which airline is most reliable LAX to SFO?

United Airlines is the most reliable airline on the LAX to SFO route with a 74% on-time arrival rate.

Los Angeles to San Francisco — airline reliability comparison

United Airlines is the most reliable airline on the LAX to SFO route with a 74% on-time rate, compared to Frontier Airlines at 54%. Based on 10,954 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

United Airlines74%

SkyWest Airlines73%

Delta Air Lines73%

Alaska Airlines71%

American Airlines66%

Southwest Airlines65%

JetBlue Airways59%

Frontier Airlines54%

LAX to SFO Airline Comparison

Airline	On-Time %	Cancel %	Avg Delay	Flights
United AirlinesUABest	74%	1.1%	58m	10,954
SkyWest AirlinesOO	73%	0.7%	58m	11,058
Delta Air LinesDL	73%	1.1%	60m	8,395
Alaska AirlinesAS	71%	0.7%	54m	1,760
American AirlinesAA	66%	0.3%	73m	1,323
Southwest AirlinesWN	65%	0.3%	58m	5,221
JetBlue AirwaysB6	59%	0.7%	73m	928
Frontier AirlinesF9Worst	54%	1.5%	71m	1,023

Route Overview

71%

Overall On-Time

60m

Avg Delay

0.8%

Cancel Rate

40,683

Total Flights

LAX to SFO Route Details Return: SFO to LAX

LAX Airport SFO Airport

Flying out of LAX? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Data last updated October 2026. Source: Bureau of Transportation Statistics.