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Flight Reliability

F9 1404 · Frontier Airlines

Houston → Atlanta (IAH–ATL)

68
Usually Fine
WanderNerd Reliability Score
68%
Arrive within 15 minutes
13 min
Average arrival delay
1.6%
Cancelled
0 min
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

F9 1404 departing between 9 AM–12 PM arrived on time 100% of the time, versus 54% between 3–6 AM.

Saturdays have been rough.

F9 1404 arrived on time 82% of the time on Wednesdays and just 47% on Saturdays. That gap is worth planning around.

Lagging the IAH–ATL route.

F9 1404 arrived on time 68% of the time, versus 78% across the IAH–ATL route.

A bit behind the Frontier Airlines network.

F9 1404 arrived on time 68% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon71%(51 flights)
  • Tue71%(51 flights)
  • Wed82%(51 flights)
  • Thu79%(52 flights)
  • Fri68%(50 flights)
  • Sat47%(51 flights)
  • Sun57%(53 flights)
On-time by departure window
  • 3–6 AM54%(13 flights)
  • 6–9 AM67%(333 flights)
  • 9 AM–12 PM100%(13 flights)
On-time trend by month
45%
May

Jun 62% → May 45% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202574%31
August 202567%30
September 202587%30
October 202584%31
November 202563%30
December 202587%30
January 202660%30
February 202668%28
March 202648%29
April 202667%30
May 202645%31
Departures on time
86%
Diverted
0%
Flights flown
359
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.