Flight Reliability
F9 1703 · Frontier Airlines
Houston → Phoenix (IAH–PHX)
76
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0.8%
- Cancelled
- 7 min early
- Median arrival delay
Based on 121 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
F9 1703 departing between 3–6 PM arrived on time 100% of the time, versus 70% between 12–3 PM.
Friday is doing you no favors.
F9 1703 arrived on time 80% of the time on Saturdays. On Fridays: 67%.
A bit behind the IAH–PHX route.
F9 1703 arrived on time 74% of the time, versus 79% across the IAH–PHX route.
The breakdown
- Mon75%(20 flights)
- Tue—(7 flights)
- Wed—(7 flights)
- Thu69%(16 flights)
- Fri67%(21 flights)
- Sat80%(25 flights)
- Sun74%(23 flights)
- 9 AM–12 PM74%(35 flights)
- 12–3 PM70%(64 flights)
- 3–6 PM100%(12 flights)
- 6–9 PM—(5 flights)
- 9 PM–12 AM—(3 flights)
65%
May
Sep 92% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 92% | 13 |
| January 2026 | 64% | 11 |
| March 2026 | 73% | 22 |
| April 2026 | 88% | 16 |
| May 2026 | 65% | 31 |
- Departures on time
- 76%
- Diverted
- 0.8%
- Flights flown
- 119
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 121 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.