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WanderNerd

Flight Reliability

F9 1406 · Frontier Airlines

Ontario → Dallas–Fort Worth (ONTDFW)

76
Usually Fine
WanderNerd Reliability Score
82%
Arrive within 15 minutes
8 min
Average arrival delay
3.3%
Cancelled
8 min early
Median arrival delay

Based on 90 historical flights. Data through May 2026.

What the data says

Tuesdays have been rough.

F9 1406 arrived on time 91% of the time on Sundays and just 74% on Tuesdays. That gap is worth planning around.

A bit ahead of the ONT–DFW route.

F9 1406 arrived on time 82% of the time, versus 78% across the ONT–DFW route.

Better than the Frontier Airlines network average.

F9 1406 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon80%(15 flights)
  • Tue74%(19 flights)
  • Wed(1 flights)
  • Thu90%(19 flights)
  • Fri75%(16 flights)
  • Sat(6 flights)
  • Sun91%(11 flights)
On-time by departure window
  • 6–9 AM81%(41 flights)
  • 9 AM–12 PM82%(17 flights)
  • 12–3 PM83%(24 flights)
  • 3–6 PM(5 flights)
On-time trend by month
83%
Dec

Aug 80% → Dec 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202580%10
September 202575%12
October 2025100%17
November 202563%19
December 202583%12
Departures on time
81%
Diverted
0%
Flights flown
87
Months covered
9

Based on 90 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.