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Route Reliability

FAT → San Diego

FAT–SAN · 314 miles · FAT Airport to San Diego International Airport

78
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
7 min
Average arrival delay
1.3%
Cancelled
1,798
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines78%456 flights
  2. 2.Alaska Airlines77%1,342 flights

What the data says

Morning flights do better here.

FAT–SAN flights departing between 6–9 AM arrived on time 91% of the time, versus 59% between 6–9 PM.

Friday is doing you no favors.

FAT–SAN flights arrived on time 85% of the time on Wednesdays. On Fridays: 72%.

Not much between Southwest Airlines and Alaska Airlines.

On this route they all land within 77% to 78% on time. Pick on schedule and price.

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
  • Mon75%(265 flights)
  • Tue81%(246 flights)
  • Wed85%(240 flights)
  • Thu74%(262 flights)
  • Fri72%(272 flights)
  • Sat81%(214 flights)
  • Sun76%(265 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM91%(570 flights)
  • 9 AM–12 PM78%(370 flights)
  • 12–3 PM80%(160 flights)
  • 3–6 PM70%(364 flights)
  • 6–9 PM59%(292 flights)
On-time trend by month
73%
May

Jun 80% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%120
July 202583%121
August 202580%117
September 202585%104
October 202575%174
November 202575%173
December 202570%171
January 202677%142
February 202685%137
March 202678%162
April 202676%165
May 202673%178

Keep nerding

Based on 1,798 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.