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Flight Reliability

F9 3208 · Frontier Airlines

Dallas–Fort Worth → Washington (DFW–IAD)

91
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
3 min early
Average arrival delay
1.9%
Cancelled
9 min early
Median arrival delay

Based on 155 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 3–6 AM arrived on time 94% of the time, against 90% between 6–9 AM.

Sunday scaries are real for this one.

F9 3208 arrived on time 100% of the time on Thursdays and just 83% on Sundays. That gap is worth planning around.

Better than the DFW–IAD route average.

F9 3208 arrived on time 91% of the time, versus 79% across the DFW–IAD route.

Well ahead of the Frontier Airlines network.

F9 3208 arrived on time 91% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon89%(35 flights)
  • Tue—(2 flights)
  • Wed—(2 flights)
  • Thu100%(25 flights)
  • Fri97%(35 flights)
  • Sat91%(23 flights)
  • Sun83%(30 flights)
On-time by departure window
  • 3–6 AM94%(36 flights)
  • 6–9 AM90%(86 flights)
  • 12–3 PM91%(23 flights)
  • 3–6 PM—(7 flights)
On-time trend by month
77%
May

Jun 91% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%21
July 2025100%11
August 2025100%16
September 202595%21
October 202585%13
February 202693%15
March 202690%10
April 202693%14
May 202677%17
Departures on time
90%
Diverted
0%
Flights flown
152
Months covered
12

Same route, other flights

Keep nerding

Based on 155 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.