Flight Reliability
F9 1928 · Frontier Airlines
Denver → Oklahoma City (DEN–OKC)
75
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.9%
- Cancelled
- 8 min early
- Median arrival delay
Based on 156 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 1928 departing between 9 AM–12 PM arrived on time 89% of the time, versus 59% between 12–3 PM.
Friday is doing you no favors.
F9 1928 arrived on time 90% of the time on Tuesdays and just 66% on Fridays. That gap is worth planning around.
Ticking up lately.
F9 1928 arrived on time 86% of the time over the last three months in the data, compared with 80% in the three months before that.
The breakdown
- Mon75%(32 flights)
- Tue90%(10 flights)
- Wed—(7 flights)
- Thu71%(28 flights)
- Fri66%(35 flights)
- Sat—(9 flights)
- Sun75%(32 flights)
- 9 AM–12 PM89%(28 flights)
- 12–3 PM59%(29 flights)
- 3–6 PM75%(96 flights)
87%
May
Jun 50% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 20 |
| July 2025 | 56% | 16 |
| August 2025 | 70% | 20 |
| October 2025 | 69% | 16 |
| November 2025 | 100% | 11 |
| January 2026 | 79% | 14 |
| February 2026 | 94% | 16 |
| May 2026 | 87% | 23 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 153
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 156 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.