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Flight Reliability

F9 4708 · Frontier Airlines

Atlanta → Washington (ATL–IAD)

61
A Little Dicey
WanderNerd Reliability Score
68%
Arrive within 15 minutes
23 min
Average arrival delay
1.6%
Cancelled
0 min
Median arrival delay

Based on 192 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 4708 departing between 6–9 PM arrived on time 91% of the time, versus 53% between 3–6 PM.

Friday is doing you no favors.

F9 4708 arrived on time 86% of the time on Wednesdays and just 55% on Fridays. That gap is worth planning around.

Lagging the ATL–IAD route.

F9 4708 arrived on time 68% of the time, versus 77% across the ATL–IAD route.

A bit behind the Frontier Airlines network.

F9 4708 arrived on time 68% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon56%(32 flights)
  • Tue65%(20 flights)
  • Wed86%(21 flights)
  • Thu83%(30 flights)
  • Fri55%(29 flights)
  • Sat73%(26 flights)
  • Sun60%(30 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 9 AM–12 PM68%(59 flights)
  • 12–3 PM62%(85 flights)
  • 3–6 PM53%(17 flights)
  • 6–9 PM91%(23 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
62%
Jan

Jun 46% → Jan 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%22
July 202553%19
August 202561%23
September 202596%25
October 202579%29
November 202569%26
December 202562%21
January 202662%21
Departures on time
67%
Diverted
0.5%
Flights flown
188
Months covered
10

Same route, other flights

Keep nerding

Based on 192 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.