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Flight Reliability

F9 1233 · Frontier Airlines

Raleigh–Durham → Orlando (RDU–MCO)

53
A Little Dicey
WanderNerd Reliability Score
69%
Arrive within 15 minutes
27 min
Average arrival delay
3.9%
Cancelled
6 min early
Median arrival delay

Based on 179 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 1233 departing between 9 PM–12 AM arrived on time 74% of the time, versus 59% between 6–9 PM.

Tuesdays have been rough.

F9 1233 arrived on time 83% of the time on Thursdays and just 50% on Tuesdays. That gap is worth planning around.

Lagging the RDU–MCO route.

F9 1233 arrived on time 69% of the time, versus 79% across the RDU–MCO route.

A bit behind the Frontier Airlines network.

F9 1233 arrived on time 69% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon69%(29 flights)
  • Tue50%(10 flights)
  • Wed75%(12 flights)
  • Thu83%(41 flights)
  • Fri75%(24 flights)
  • Sat63%(19 flights)
  • Sun54%(37 flights)
On-time by departure window
  • 6–9 PM59%(63 flights)
  • 9 PM–12 AM74%(109 flights)
On-time trend by month
77%
May

Sep 82% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202582%17
October 202580%15
November 202576%21
December 202543%28
January 202673%15
February 202682%17
March 202659%27
April 202675%12
May 202677%13
Departures on time
65%
Diverted
0%
Flights flown
172
Months covered
10

Same route, other flights

Keep nerding

Based on 179 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.