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Flight Reliability

F9 3021 · Frontier Airlines

Atlanta → Dallas–Fort Worth (ATL–DFW)

55
A Little Dicey
WanderNerd Reliability Score
65%
Arrive within 15 minutes
21 min
Average arrival delay
2.7%
Cancelled
2 min
Median arrival delay

Based on 261 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

F9 3021 departing between 6–9 AM arrived on time 80% of the time, versus 56% between 9 AM–12 PM.

Mondays have been rough.

F9 3021 arrived on time 79% of the time on Thursdays and just 28% on Mondays. That gap is worth planning around.

Lagging the ATL–DFW route.

F9 3021 arrived on time 65% of the time, versus 74% across the ATL–DFW route.

Lagging the Frontier Airlines network.

F9 3021 arrived on time 65% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon28%(29 flights)
  • Tue67%(36 flights)
  • Wed68%(38 flights)
  • Thu79%(43 flights)
  • Fri66%(29 flights)
  • Sat69%(35 flights)
  • Sun67%(43 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM80%(74 flights)
  • 9 AM–12 PM56%(36 flights)
  • 12–3 PM65%(23 flights)
  • 3–6 PM57%(112 flights)
On-time trend by month
60%
May

Jun 48% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202546%28
August 202544%18
September 202585%20
October 202582%17
November 202559%17
December 202530%10
January 202669%13
February 202690%20
March 202677%30
April 202681%21
May 202660%30
Departures on time
60%
Diverted
0.4%
Flights flown
253
Months covered
12

Same route, other flights

Keep nerding

Based on 261 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.