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WanderNerd

Flight Reliability

F9 2635 · Frontier Airlines

Orlando → St. Louis (MCOSTL)

74
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
14 min
Average arrival delay
1.5%
Cancelled
11 min early
Median arrival delay

Based on 199 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

F9 2635 arrived on time 89% of the time on Thursdays and just 50% on Sundays. That gap is worth planning around.

The breakdown

On-time by weekday
  • Mon82%(34 flights)
  • Tue79%(24 flights)
  • Wed84%(25 flights)
  • Thu89%(28 flights)
  • Fri83%(29 flights)
  • Sat63%(27 flights)
  • Sun50%(28 flights)
On-time by departure window
  • 6–9 AM(4 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM(7 flights)
  • 6–9 PM76%(58 flights)
  • 9 PM–12 AM74%(125 flights)
On-time trend by month
84%
May

Nov 81% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202581%16
December 202573%30
January 202674%31
February 202676%25
March 202660%30
April 202683%29
May 202684%25
Departures on time
69%
Diverted
0.5%
Flights flown
195
Months covered
8

Based on 199 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.