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Flight Reliability

F9 3976 · Frontier Airlines

Atlanta → Orlando (ATL–MCO)

46
Bring Snacks
WanderNerd Reliability Score
61%
Arrive within 15 minutes
39 min
Average arrival delay
2.1%
Cancelled
6 min
Median arrival delay

Based on 286 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 3976 departing between 12–3 PM arrived on time 78% of the time, versus 40% between 6–9 PM.

Sunday scaries are real for this one.

F9 3976 arrived on time 75% of the time on Saturdays and just 41% on Sundays. That gap is worth planning around.

Lagging the ATL–MCO route.

F9 3976 arrived on time 61% of the time, versus 70% across the ATL–MCO route.

Lagging the Frontier Airlines network.

F9 3976 arrived on time 61% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon52%(50 flights)
  • Tue69%(29 flights)
  • Wed73%(30 flights)
  • Thu72%(50 flights)
  • Fri60%(52 flights)
  • Sat75%(20 flights)
  • Sun41%(49 flights)
On-time by departure window
  • 6–9 AM—(8 flights)
  • 9 AM–12 PM64%(28 flights)
  • 12–3 PM78%(80 flights)
  • 3–6 PM53%(139 flights)
  • 6–9 PM40%(25 flights)
On-time trend by month
90%
May

Jun 19% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202519%16
July 202535%17
August 202529%17
September 202571%17
October 202577%22
November 202558%26
December 202563%30
January 202656%25
February 202670%27
March 202650%26
April 202675%28
May 202690%29
Departures on time
57%
Diverted
0%
Flights flown
280
Months covered
12

Same route, other flights

Keep nerding

Based on 286 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.