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Flight Reliability

F9 1742 · Frontier Airlines

Houston → Raleigh–Durham (IAH–RDU)

73
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
9 min
Average arrival delay
2.4%
Cancelled
9 min early
Median arrival delay

Based on 82 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

F9 1742 departing between 3–6 PM arrived on time 87% of the time, versus 70% between 12–3 PM.

Mondays have been rough.

F9 1742 arrived on time 86% of the time on Thursdays and just 67% on Mondays. That gap is worth planning around.

A bit behind the IAH–RDU route.

F9 1742 arrived on time 80% of the time, versus 85% across the IAH–RDU route.

A bit ahead of the Frontier Airlines network.

F9 1742 arrived on time 80% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon67%(12 flights)
  • Tue—(5 flights)
  • Wed—(1 flights)
  • Thu86%(21 flights)
  • Fri80%(15 flights)
  • Sat—(5 flights)
  • Sun85%(20 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM81%(36 flights)
  • 12–3 PM70%(23 flights)
  • 3–6 PM87%(15 flights)
  • 6–9 PM—(4 flights)
On-time trend by month
81%
May

Jan 77% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
January 202677%13
February 202687%15
March 202671%14
April 202677%13
May 202681%21
Departures on time
78%
Diverted
1.2%
Flights flown
79
Months covered
6

Same route, other flights

Keep nerding

Based on 82 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.