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Flight Reliability

F9 1426 · Frontier Airlines

San Diego → Dallas–Fort Worth (SAN–DFW)

72
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
13 min
Average arrival delay
2.0%
Cancelled
7 min early
Median arrival delay

Based on 248 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

F9 1426 departing between 9 AM–12 PM arrived on time 92% of the time, versus 70% between 6–9 PM.

Tuesdays have been rough.

F9 1426 arrived on time 86% of the time on Wednesdays and just 65% on Tuesdays. That gap is worth planning around.

A bit ahead of the Frontier Airlines network.

F9 1426 arrived on time 77% of the time, versus 73% across the Frontier Airlines network.

Recent months have been rougher.

F9 1426 arrived on time 79% of the time over the last three months in the data, compared with 93% in the three months before that.

The breakdown

On-time by weekday
  • Mon78%(45 flights)
  • Tue65%(17 flights)
  • Wed86%(22 flights)
  • Thu78%(40 flights)
  • Fri74%(43 flights)
  • Sat71%(28 flights)
  • Sun80%(46 flights)
On-time by departure window
  • 6–9 AM77%(190 flights)
  • 9 AM–12 PM92%(13 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM70%(33 flights)
On-time trend by month
83%
May

Jun 60% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202570%30
August 202570%23
September 202563%16
October 202587%15
November 202577%13
December 202596%22
January 202692%12
February 202691%11
March 202665%20
April 202690%19
May 202683%30
Departures on time
81%
Diverted
0.8%
Flights flown
241
Months covered
12

Same route, other flights

Keep nerding

Based on 248 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.