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Flight Reliability

F9 4797 · Frontier Airlines

Raleigh–Durham → Atlanta (RDU–ATL)

63
A Little Dicey
WanderNerd Reliability Score
75%
Arrive within 15 minutes
18 min
Average arrival delay
4.1%
Cancelled
7 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

F9 4797 departing between 6–9 AM arrived on time 81% of the time, versus 50% between 3–6 PM.

Sunday scaries are real for this one.

F9 4797 arrived on time 87% of the time on Tuesdays and just 70% on Sundays. That gap is worth planning around.

Lagging the RDU–ATL route.

F9 4797 arrived on time 75% of the time, versus 87% across the RDU–ATL route.

Keep a backup plan handy.

F9 4797 was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon73%(48 flights)
  • Tue87%(37 flights)
  • Wed74%(39 flights)
  • Thu84%(50 flights)
  • Fri73%(51 flights)
  • Sat70%(50 flights)
  • Sun70%(50 flights)
On-time by departure window
  • 3–6 AM67%(12 flights)
  • 6–9 AM81%(254 flights)
  • 12–3 PM—(6 flights)
  • 3–6 PM50%(52 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
81%
May

Jun 41% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%22
July 202561%18
August 202573%22
September 202593%28
October 202581%31
November 202590%29
December 202570%30
January 202682%28
February 202685%27
March 202662%29
April 202673%30
May 202681%31
Departures on time
87%
Diverted
0%
Flights flown
325
Months covered
12

Same route, other flights

Keep nerding

Based on 339 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.