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Route Reliability

FAT → San Francisco

FAT–SFO · 158 miles · FAT Airport to San Francisco International Airport

69
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
19 min
Average arrival delay
1.2%
Cancelled
1,306
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 71% of the time across 1,306 flights. No comparison to make.

What the data says

Morning flights do better here.

FAT–SFO flights departing between 6–9 AM arrived on time 80% of the time, versus 38% between 3–6 PM.

Monday is the weak spot.

FAT–SFO flights arrived on time 78% of the time on Saturdays. On Mondays: 66%.

Slipping a little lately.

FAT–SFO flights arrived on time 64% of the time over the last three months in the data, compared with 70% 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
  • Mon66%(189 flights)
  • Tue76%(182 flights)
  • Wed71%(181 flights)
  • Thu70%(188 flights)
  • Fri69%(186 flights)
  • Sat78%(170 flights)
  • Sun68%(193 flights)
On-time by departure window
  • 6–9 AM80%(391 flights)
  • 9 AM–12 PM61%(344 flights)
  • 12–3 PM73%(338 flights)
  • 3–6 PM38%(16 flights)
  • 6–9 PM70%(200 flights)
On-time trend by month
58%
May

Jun 88% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%120
July 202575%119
August 202578%116
September 202569%118
October 202567%144
November 202571%112
December 202573%78
January 202671%88
February 202668%83
March 202682%95
April 202653%108
May 202658%108

Keep nerding

Based on 1,306 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.