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Route Reliability

PSC → San Francisco

PSC–SFO · 620 miles · PSC Airport to San Francisco International Airport

89
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
4 min
Average arrival delay
0.2%
Cancelled
610
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 83% of the time across 610 flights. No comparison to make.

What the data says

The 3–6 PM departure wins.

PSC–SFO flights departing between 3–6 PM arrived on time 94% of the time, versus 78% between 12–3 PM.

Skip Thursday if you can.

PSC–SFO flights arrived on time 91% of the time on Tuesdays. On Thursdays: 77%.

It basically never cancels.

Out of 610 scheduled flights, only 0.2% were cancelled.

Recent months have been rougher.

PSC–SFO flights arrived on time 67% of the time over the last three months in the data, compared with 83% 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
  • Mon82%(92 flights)
  • Tue91%(81 flights)
  • Wed83%(87 flights)
  • Thu77%(91 flights)
  • Fri79%(91 flights)
  • Sat84%(80 flights)
  • Sun84%(85 flights)
On-time by departure window
  • 6–9 AM83%(269 flights)
  • 12–3 PM78%(258 flights)
  • 3–6 PM94%(80 flights)
On-time trend by month
44%
May

Jun 95% → May 44% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%60
July 202582%61
August 202584%56
September 202594%49
October 202582%62
November 202588%59
December 202587%61
January 202679%48
February 202682%45
March 202694%35
April 202663%30
May 202644%41

Keep nerding

Based on 610 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.