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Flight Reliability

F9 4343 · Frontier Airlines

Bentonville → Denver (XNA–DEN)

68
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
20 min
Average arrival delay
1.0%
Cancelled
7 min early
Median arrival delay

Based on 103 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 4343 departing between 12–3 PM arrived on time 95% of the time, versus 63% between 6–9 PM.

Mondays have been rough.

F9 4343 arrived on time 84% of the time on Sundays and just 52% on Mondays. That gap is worth planning around.

Lagging the XNA–DEN route.

F9 4343 arrived on time 69% of the time, versus 79% across the XNA–DEN route.

A bit behind the Frontier Airlines network.

F9 4343 arrived on time 69% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon52%(25 flights)
  • Tue—(6 flights)
  • Wed—(9 flights)
  • Thu77%(17 flights)
  • Fri67%(24 flights)
  • Sat—(2 flights)
  • Sun84%(19 flights)
On-time by departure window
  • 12–3 PM95%(19 flights)
  • 6–9 PM63%(83 flights)
On-time trend by month
93%
May

Jun 55% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%11
July 202546%13
August 202564%14
September 202559%17
October 202572%18
November 202580%10
May 202693%14
Departures on time
70%
Diverted
0%
Flights flown
102
Months covered
9

Same route, other flights

Keep nerding

Based on 103 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.