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Flight Reliability

F9 1958 · Frontier Airlines

Houston → Detroit (IAH–DTW)

67
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
12 min
Average arrival delay
1.1%
Cancelled
1 min
Median arrival delay

Based on 91 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

F9 1958 departing between 6–9 AM arrived on time 87% of the time, versus 35% between 3–6 PM.

Sunday scaries are real for this one.

F9 1958 arrived on time 86% of the time on Fridays and just 50% on Sundays. That gap is worth planning around.

Lagging the IAH–DTW route.

F9 1958 arrived on time 69% of the time, versus 81% across the IAH–DTW route.

A bit behind the Frontier Airlines network.

F9 1958 arrived on time 69% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon71%(21 flights)
  • Tue—(7 flights)
  • Wed—(7 flights)
  • Thu—(8 flights)
  • Fri86%(22 flights)
  • Sat57%(14 flights)
  • Sun50%(10 flights)
On-time by departure window
  • 6–9 AM87%(37 flights)
  • 12–3 PM69%(32 flights)
  • 3–6 PM35%(17 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
69%
May

Dec 77% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202577%13
January 202680%10
February 202682%11
March 202636%14
May 202669%29
Departures on time
70%
Diverted
1.1%
Flights flown
89
Months covered
7

Same route, other flights

Keep nerding

Based on 91 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.