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Flight Reliability

F9 1483 · Frontier Airlines

Chicago → Denver (ORD–DEN)

67
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
26 min
Average arrival delay
1.8%
Cancelled
1 min early
Median arrival delay

Based on 277 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 1483 departing between 12–3 PM arrived on time 88% of the time, versus 63% between 9 PM–12 AM.

Saturdays have been rough.

F9 1483 arrived on time 83% of the time on Wednesdays and just 65% on Saturdays. That gap is worth planning around.

Slipping a little lately.

F9 1483 arrived on time 69% of the time over the last three months in the data, compared with 74% in the three months before that.

The breakdown

On-time by weekday
  • Mon70%(40 flights)
  • Tue82%(27 flights)
  • Wed83%(29 flights)
  • Thu73%(45 flights)
  • Fri79%(47 flights)
  • Sat65%(37 flights)
  • Sun80%(46 flights)
On-time by departure window
  • 3–6 AM78%(40 flights)
  • 6–9 AM77%(155 flights)
  • 9 AM–12 PM75%(12 flights)
  • 12–3 PM88%(17 flights)
  • 3–6 PM82%(11 flights)
  • 6–9 PM—(9 flights)
  • 9 PM–12 AM63%(27 flights)
On-time trend by month
64%
May

Jun 76% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%25
July 202570%30
August 202587%31
September 202583%30
October 202574%31
November 202583%23
December 202555%20
January 202686%14
March 202667%18
April 202675%12
May 202664%28
Departures on time
77%
Diverted
0.4%
Flights flown
271
Months covered
12

Same route, other flights

Keep nerding

Based on 277 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.