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Flight Reliability

F9 2348 · Frontier Airlines

Denver → Indianapolis (DEN–IND)

92
Nerd Approved
WanderNerd Reliability Score
84%
Arrive within 15 minutes
3 min early
Average arrival delay
0%
Cancelled
12 min early
Median arrival delay

Based on 236 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 2348 departing between 12–3 PM arrived on time 93% of the time, versus 79% between 6–9 AM.

Friday is doing you no favors.

F9 2348 arrived on time 97% of the time on Saturdays and just 75% on Fridays. That gap is worth planning around.

Better than the DEN–IND route average.

F9 2348 arrived on time 84% of the time, versus 76% across the DEN–IND route.

Better than the Frontier Airlines network average.

F9 2348 arrived on time 84% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon85%(40 flights)
  • Tue—(9 flights)
  • Wed—(8 flights)
  • Thu84%(49 flights)
  • Fri75%(47 flights)
  • Sat97%(30 flights)
  • Sun81%(53 flights)
On-time by departure window
  • 6–9 AM79%(28 flights)
  • 9 AM–12 PM85%(34 flights)
  • 12–3 PM93%(27 flights)
  • 3–6 PM82%(147 flights)
On-time trend by month
86%
May

Jun 76% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%21
July 202569%16
August 202590%20
September 202581%21
October 202588%25
November 202595%21
December 202577%17
January 2026100%13
February 202675%12
March 202682%28
April 202680%20
May 202686%22
Departures on time
85%
Diverted
0%
Flights flown
236
Months covered
12

Same route, other flights

Keep nerding

Based on 236 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.