Flight Reliability
F9 4561 · Frontier Airlines
New Orleans → Denver (MSY–DEN)
66
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 1.8%
- Cancelled
- 7 min early
- Median arrival delay
Based on 170 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
F9 4561 departing between 9 PM–12 AM arrived on time 87% of the time, versus 60% between 12–3 PM.
Thursdays have been rough.
F9 4561 arrived on time 84% of the time on Mondays and just 48% on Thursdays. That gap is worth planning around.
Lagging the MSY–DEN route.
F9 4561 arrived on time 70% of the time, versus 81% across the MSY–DEN route.
A bit behind the Frontier Airlines network.
F9 4561 arrived on time 70% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon84%(32 flights)
- Tue—(4 flights)
- Wed—(2 flights)
- Thu48%(42 flights)
- Fri73%(30 flights)
- Sat55%(11 flights)
- Sun80%(46 flights)
- 12–3 PM60%(10 flights)
- 3–6 PM76%(71 flights)
- 6–9 PM61%(71 flights)
- 9 PM–12 AM87%(15 flights)
83%
May
Oct 67% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 67% | 12 |
| November 2025 | 56% | 18 |
| December 2025 | 65% | 20 |
| January 2026 | 90% | 19 |
| February 2026 | 80% | 20 |
| March 2026 | 73% | 22 |
| April 2026 | 80% | 15 |
| May 2026 | 83% | 18 |
- Departures on time
- 70%
- Diverted
- 0%
- Flights flown
- 167
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 170 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.