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Flight Reliability

F9 1734 · Frontier Airlines

Denver → Orlando (DEN–MCO)

72
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
12 min
Average arrival delay
1.9%
Cancelled
7 min early
Median arrival delay

Based on 214 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 1734 departing between 6–9 PM arrived on time 88% of the time, versus 67% between 12–3 AM.

Saturdays have been rough.

F9 1734 arrived on time 100% of the time on Wednesdays and just 66% on Saturdays. That gap is worth planning around.

A bit behind the DEN–MCO route.

F9 1734 arrived on time 72% of the time, versus 77% across the DEN–MCO route.

Ticking up lately.

F9 1734 arrived on time 85% of the time over the last three months in the data, compared with 81% in the three months before that.

The breakdown

On-time by weekday
  • Mon67%(33 flights)
  • Tue70%(33 flights)
  • Wed100%(18 flights)
  • Thu78%(27 flights)
  • Fri69%(32 flights)
  • Sat66%(32 flights)
  • Sun71%(35 flights)
On-time by departure window
  • 12–3 AM67%(142 flights)
  • 6–9 AM—(1 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM78%(32 flights)
  • 6–9 PM88%(33 flights)
On-time trend by month
94%
Apr

Jun 38% → Apr 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202538%24
July 202540%25
August 202568%25
September 202591%22
October 202583%29
November 202589%18
January 202673%11
February 202694%18
March 202667%18
April 202694%17
Departures on time
67%
Diverted
0%
Flights flown
210
Months covered
12

Same route, other flights

Keep nerding

Based on 214 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.