Flight Reliability
F9 1539 · Frontier Airlines
Orlando → Indianapolis (MCO–IND)
91
Nerd Approved
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.7%
- Cancelled
- 13 min early
- Median arrival delay
Based on 141 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 1539 departing between 9 AM–12 PM arrived on time 100% of the time, versus 68% between 12–3 PM.
Saturday is the weak spot.
F9 1539 arrived on time 92% of the time on Mondays. On Saturdays: 80%.
Better than the MCO–IND route average.
F9 1539 arrived on time 86% of the time, versus 75% across the MCO–IND route.
Better than the Frontier Airlines network average.
F9 1539 arrived on time 86% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon92%(25 flights)
- Tue—(8 flights)
- Wed—(3 flights)
- Thu89%(27 flights)
- Fri84%(25 flights)
- Sat80%(25 flights)
- Sun82%(27 flights)
- 3–6 AM—(3 flights)
- 6–9 AM96%(25 flights)
- 9 AM–12 PM100%(26 flights)
- 12–3 PM68%(28 flights)
- 3–6 PM86%(50 flights)
- 6–9 PM—(8 flights)
100%
May
Oct 100% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 100% | 11 |
| December 2025 | 81% | 21 |
| January 2026 | 68% | 19 |
| February 2026 | 86% | 21 |
| March 2026 | 81% | 21 |
| April 2026 | 86% | 14 |
| May 2026 | 100% | 24 |
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 140
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 141 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.