Flight Reliability
F9 1864 · Frontier Airlines
Denver → Oklahoma City (DEN–OKC)
73
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 0.6%
- Cancelled
- 12 min early
- Median arrival delay
Based on 161 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 1864 departing between 9 AM–12 PM arrived on time 84% of the time, versus 55% between 6–9 PM.
Sunday scaries are real for this one.
F9 1864 arrived on time 91% of the time on Tuesdays and just 55% on Sundays. That gap is worth planning around.
A bit behind the DEN–OKC route.
F9 1864 arrived on time 73% of the time, versus 77% across the DEN–OKC route.
Trending in the right direction.
F9 1864 arrived on time 84% of the time over the last three months in the data, compared with 63% in the three months before that.
The breakdown
- Mon67%(27 flights)
- Tue91%(21 flights)
- Wed88%(17 flights)
- Thu55%(20 flights)
- Fri67%(21 flights)
- Sat90%(30 flights)
- Sun55%(22 flights)
- 9 AM–12 PM84%(19 flights)
- 12–3 PM—(3 flights)
- 3–6 PM82%(83 flights)
- 6–9 PM55%(53 flights)
86%
Apr
Jul 53% → Apr 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 53% | 30 |
| August 2025 | 56% | 18 |
| November 2025 | 80% | 15 |
| December 2025 | 85% | 20 |
| March 2026 | 80% | 25 |
| April 2026 | 86% | 28 |
- Departures on time
- 69%
- Diverted
- 1.2%
- Flights flown
- 158
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 161 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.