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Flight Reliability

F9 2225 · Frontier Airlines

Raleigh–Durham → Denver (RDU–DEN)

71
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
12 min
Average arrival delay
1.2%
Cancelled
3 min early
Median arrival delay

Based on 247 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 2225 departing between 12–3 PM arrived on time 96% of the time, versus 59% between 3–6 PM.

Mondays have been rough.

F9 2225 arrived on time 100% of the time on Wednesdays and just 57% on Mondays. That gap is worth planning around.

Lagging the RDU–DEN route.

F9 2225 arrived on time 70% of the time, versus 79% across the RDU–DEN route.

A bit behind the Frontier Airlines network.

F9 2225 arrived on time 70% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon57%(47 flights)
  • Tue78%(23 flights)
  • Wed100%(13 flights)
  • Thu68%(44 flights)
  • Fri63%(46 flights)
  • Sat82%(28 flights)
  • Sun71%(42 flights)
On-time by departure window
  • 12–3 PM96%(26 flights)
  • 3–6 PM59%(133 flights)
  • 6–9 PM80%(84 flights)
On-time trend by month
93%
May

Jun 33% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202533%24
July 202554%26
August 202557%23
September 202547%17
October 202581%21
November 202581%21
December 202562%21
January 202687%15
February 202690%10
March 202683%24
April 202693%14
May 202693%27
Departures on time
71%
Diverted
0.4%
Flights flown
243
Months covered
12

Same route, other flights

Keep nerding

Based on 247 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.