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Flight Reliability

F9 3243 · Frontier Airlines

Chicago → Dallas–Fort Worth (ORD–DFW)

64
A Little Dicey
WanderNerd Reliability Score
73%
Arrive within 15 minutes
10 min
Average arrival delay
4.1%
Cancelled
8 min early
Median arrival delay

Based on 194 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 3243 departing between 3–6 AM arrived on time 82% of the time, versus 57% between 12–3 PM.

Saturdays have been rough.

F9 3243 arrived on time 81% of the time on Thursdays and just 52% on Saturdays. That gap is worth planning around.

Keep a backup plan handy.

F9 3243 was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

F9 3243 arrived on time 76% of the time over the last three months in the data, compared with 67% in the three months before that.

The breakdown

On-time by weekday
  • Mon77%(31 flights)
  • Tue64%(14 flights)
  • Wed—(6 flights)
  • Thu81%(32 flights)
  • Fri74%(38 flights)
  • Sat52%(25 flights)
  • Sun78%(40 flights)
On-time by departure window
  • 3–6 AM82%(79 flights)
  • 6–9 AM63%(38 flights)
  • 9 AM–12 PM69%(45 flights)
  • 12–3 PM57%(14 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM—(5 flights)
On-time trend by month
80%
Apr

Jun 71% → Apr 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%24
July 202574%23
August 202579%19
October 202563%19
November 202559%22
December 202582%17
March 202665%20
April 202680%15
Departures on time
81%
Diverted
0%
Flights flown
186
Months covered
12

Same route, other flights

Keep nerding

Based on 194 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.