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Route Reliability

Bozeman → San Francisco

BZN–SFO · 807 miles · Bozeman Yellowstone International Airport to San Francisco International Airport

87
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
7 min
Average arrival delay
0%
Cancelled
457
Flights in the data

Data through May 2026.

Airlines on this route

  • United Airlines79% on time · 378 flights
  • Alaska Airlines82% on time · 79 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

The 12–3 PM departure wins.

BZN–SFO flights departing between 12–3 PM arrived on time 86% of the time, versus 76% between 3–6 PM.

Friday is doing you no favors.

BZN–SFO flights arrived on time 89% of the time on Tuesdays and just 73% on Fridays. That gap is worth planning around.

It basically never cancels.

Out of 457 scheduled flights, only 0.0% were cancelled.

Recent months have been rougher.

BZN–SFO flights arrived on time 62% of the time over the last three months in the data, compared with 76% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(62 flights)
  • Tue89%(62 flights)
  • Wed75%(61 flights)
  • Thu82%(67 flights)
  • Fri73%(62 flights)
  • Sat78%(69 flights)
  • Sun78%(74 flights)
On-time by departure window
  • 6–9 AM77%(13 flights)
  • 12–3 PM86%(170 flights)
  • 3–6 PM76%(273 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
42%
May

Jun 86% → May 42% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%49
July 202586%62
August 202588%50
September 202590%30
October 202587%31
November 202587%30
December 202565%31
January 202687%31
February 202676%38
March 202684%44
April 202660%30
May 202642%31

Keep nerding

Based on 457 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.