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Flight Reliability

F9 4707 · Frontier Airlines

Washington → Atlanta (IAD–ATL)

68
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
17 min
Average arrival delay
1.8%
Cancelled
4 min early
Median arrival delay

Based on 334 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

F9 4707 departing between 9 AM–12 PM arrived on time 91% of the time, versus 62% between 3–6 AM.

Sunday scaries are real for this one.

F9 4707 arrived on time 82% of the time on Wednesdays and just 53% on Sundays. That gap is worth planning around.

Lagging the IAD–ATL route.

F9 4707 arrived on time 72% of the time, versus 79% across the IAD–ATL route.

Recent months have been rougher.

F9 4707 arrived on time 61% of the time over the last three months in the data, compared with 76% in the three months before that.

The breakdown

On-time by weekday
  • Mon71%(48 flights)
  • Tue77%(44 flights)
  • Wed82%(45 flights)
  • Thu77%(47 flights)
  • Fri79%(48 flights)
  • Sat65%(48 flights)
  • Sun53%(47 flights)
On-time by departure window
  • 3–6 AM62%(37 flights)
  • 6–9 AM70%(248 flights)
  • 9 AM–12 PM91%(42 flights)
On-time trend by month
55%
May

Jun 64% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%28
July 202578%27
August 202574%31
September 2025100%30
October 202587%31
November 202552%29
December 202577%30
January 202674%19
February 202677%13
March 202664%28
April 202663%30
May 202655%31
Departures on time
84%
Diverted
0.3%
Flights flown
327
Months covered
12

Same route, other flights

Keep nerding

Based on 334 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.