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Route Reliability

San Jose → Long Beach

SJC–LGB · 324 miles · San José Mineta International Airport to Long Beach Airport

94
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
0 min
Average arrival delay
0.2%
Cancelled
1,222
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 87% of the time across 1,222 flights. No comparison to make.

What the data says

Morning flights do better here.

SJC–LGB flights departing between 6–9 AM arrived on time 97% of the time, versus 70% between 6–9 PM.

Friday is doing you no favors.

SJC–LGB flights arrived on time 93% of the time on Wednesdays. On Fridays: 82%.

It basically never cancels.

Out of 1,222 scheduled flights, only 0.2% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon83%(186 flights)
  • Tue91%(169 flights)
  • Wed93%(169 flights)
  • Thu83%(186 flights)
  • Fri82%(183 flights)
  • Sat93%(150 flights)
  • Sun83%(177 flights)
On-time by departure window
  • 6–9 AM97%(343 flights)
  • 9 AM–12 PM92%(227 flights)
  • 12–3 PM84%(214 flights)
  • 3–6 PM83%(237 flights)
  • 6–9 PM70%(199 flights)
On-time trend by month
89%
May

Jun 84% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%105
July 202585%105
August 202591%106
September 202584%103
October 202577%96
November 202582%92
December 202582%92
January 202697%92
February 202691%84
March 202689%112
April 202689%115
May 202689%118

Same trip, other airports

Keep nerding

Based on 1,222 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.