Flight Reliability
F9 2889 · Frontier Airlines
Austin → Denver (AUS–DEN)
88
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0.8%
- Cancelled
- 13 min early
- Median arrival delay
Based on 126 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 2889 departing between 9 AM–12 PM arrived on time 92% of the time, versus 75% between 12–3 PM.
Friday is doing you no favors.
F9 2889 arrived on time 87% of the time on Thursdays. On Fridays: 79%.
A bit ahead of the AUS–DEN route.
F9 2889 arrived on time 83% of the time, versus 79% across the AUS–DEN route.
Better than the Frontier Airlines network average.
F9 2889 arrived on time 83% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon83%(29 flights)
- Tue—(8 flights)
- Wed—(7 flights)
- Thu87%(15 flights)
- Fri79%(34 flights)
- Sat—(6 flights)
- Sun85%(26 flights)
- 9 AM–12 PM92%(38 flights)
- 12–3 PM75%(12 flights)
- 3–6 PM80%(10 flights)
- 6–9 PM81%(16 flights)
- 9 PM–12 AM80%(49 flights)
96%
Apr
Sep 83% → Apr 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 83% | 12 |
| October 2025 | 69% | 13 |
| November 2025 | 94% | 18 |
| January 2026 | 73% | 11 |
| March 2026 | 81% | 26 |
| April 2026 | 96% | 22 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 125
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 126 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.