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Flight Reliability

F9 1257 · Frontier Airlines

Tampa → Las Vegas (TPA–LAS)

78
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
17 min
Average arrival delay
0.9%
Cancelled
3 min early
Median arrival delay

Based on 115 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 1257 departing between 9 PM–12 AM arrived on time 82% of the time, versus 74% between 6–9 AM.

Saturdays have been rough.

F9 1257 arrived on time 88% of the time on Wednesdays and just 65% on Saturdays. That gap is worth planning around.

A bit behind the TPA–LAS route.

F9 1257 arrived on time 77% of the time, versus 82% across the TPA–LAS route.

A bit ahead of the Frontier Airlines network.

F9 1257 arrived on time 77% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon80%(20 flights)
  • Tue—(8 flights)
  • Wed88%(17 flights)
  • Thu68%(19 flights)
  • Fri79%(19 flights)
  • Sat65%(20 flights)
  • Sun73%(11 flights)
On-time by departure window
  • 6–9 AM74%(80 flights)
  • 9 AM–12 PM—(5 flights)
  • 12–3 PM—(2 flights)
  • 9 PM–12 AM82%(27 flights)
On-time trend by month
77%
May

Jun 65% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%20
July 202562%21
August 202577%13
April 202697%29
May 202677%31
Departures on time
72%
Diverted
0%
Flights flown
114
Months covered
5

Same route, other flights

Keep nerding

Based on 115 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.