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Flight Reliability

F9 3873 · Frontier Airlines

Atlanta → Oklahoma City (ATL–OKC)

55
A Little Dicey
WanderNerd Reliability Score
60%
Arrive within 15 minutes
29 min
Average arrival delay
0.9%
Cancelled
6 min
Median arrival delay

Based on 107 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 3873 departing between 12–3 PM arrived on time 67% of the time, versus 53% between 9 AM–12 PM.

Sunday scaries are real for this one.

F9 3873 arrived on time 73% of the time on Thursdays and just 44% on Sundays. That gap is worth planning around.

Well behind the ATL–OKC route.

F9 3873 arrived on time 60% of the time, versus 80% across the ATL–OKC route.

Lagging the Frontier Airlines network.

F9 3873 arrived on time 60% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon67%(12 flights)
  • Tue—(8 flights)
  • Wed—(0 flights)
  • Thu73%(40 flights)
  • Fri—(5 flights)
  • Sat—(0 flights)
  • Sun44%(41 flights)
On-time by departure window
  • 9 AM–12 PM53%(36 flights)
  • 12–3 PM67%(45 flights)
  • 3–6 PM60%(25 flights)
On-time trend by month
64%
May

Jun 40% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%10
October 202560%10
November 202550%12
December 202558%12
March 202682%11
May 202664%11
Departures on time
61%
Diverted
0%
Flights flown
106
Months covered
11

Same route, other flights

Keep nerding

Based on 107 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.