Flight Reliability
F9 3228 · Frontier Airlines
Denver → Houston (DEN–IAH)
92
Nerd Approved
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0%
- Cancelled
- 11 min early
- Median arrival delay
Based on 67 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
F9 3228 arrived on time 92% of the time on Saturdays. On Fridays: 80%.
A bit ahead of the DEN–IAH route.
F9 3228 arrived on time 84% of the time, versus 79% across the DEN–IAH route.
Better than the Frontier Airlines network average.
F9 3228 arrived on time 84% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(7 flights)
- Tue82%(17 flights)
- Wed—(9 flights)
- Thu—(5 flights)
- Fri80%(10 flights)
- Sat92%(12 flights)
- Sun—(7 flights)
- 3–6 PM83%(48 flights)
- 6–9 PM82%(17 flights)
- 9 PM–12 AM—(2 flights)
78%
May
Jan 100% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 100% | 12 |
| February 2026 | 82% | 11 |
| May 2026 | 78% | 18 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 67
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 67 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.