Flight Reliability
F9 3858 · Frontier Airlines
Indianapolis → Raleigh–Durham (IND–RDU)
87
Pretty Reliable
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 17 min
- Average arrival delay
- 0%
- Cancelled
- 14 min early
- Median arrival delay
Based on 56 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 3858 departing between 9 AM–12 PM arrived on time 96% of the time, versus 73% between 3–6 PM.
Better than the Frontier Airlines network average.
F9 3858 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon82%(22 flights)
- Tue—(0 flights)
- Wed—(1 flights)
- Thu—(6 flights)
- Fri79%(19 flights)
- Sat—(0 flights)
- Sun—(8 flights)
- 9 AM–12 PM96%(25 flights)
- 12–3 PM—(3 flights)
- 3–6 PM73%(26 flights)
- 6–9 PM—(2 flights)
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 56
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 56 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.