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Flight Reliability

F9 1670 · Frontier Airlines

Atlanta → Raleigh–Durham (ATL–RDU)

41
Bring Snacks
WanderNerd Reliability Score
54%
Arrive within 15 minutes
32 min
Average arrival delay
2.6%
Cancelled
7 min
Median arrival delay

Based on 229 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 1670 departing between 6–9 PM arrived on time 70% of the time, versus 54% between 9 PM–12 AM.

Mondays have been rough.

F9 1670 arrived on time 70% of the time on Wednesdays and just 29% on Mondays. That gap is worth planning around.

Well behind the ATL–RDU route.

F9 1670 arrived on time 54% of the time, versus 80% across the ATL–RDU route.

Well behind the Frontier Airlines network.

F9 1670 arrived on time 54% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon29%(38 flights)
  • Tue53%(17 flights)
  • Wed70%(23 flights)
  • Thu67%(39 flights)
  • Fri56%(41 flights)
  • Sat67%(27 flights)
  • Sun47%(38 flights)
On-time by departure window
  • 6–9 PM70%(10 flights)
  • 9 PM–12 AM54%(213 flights)
On-time trend by month
68%
May

Sep 88% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202588%25
October 202565%20
November 202552%23
December 202535%29
January 202650%20
February 202645%20
March 202610%21
April 202667%27
May 202668%31
Departures on time
51%
Diverted
0%
Flights flown
223
Months covered
10

Same route, other flights

Keep nerding

Based on 229 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.