Flight Reliability
F9 2101 · Frontier Airlines
Raleigh–Durham → Las Vegas (RDU–LAS)
56
A Little Dicey
WanderNerd Reliability Score
- 62%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 2.2%
- Cancelled
- 5 min
- Median arrival delay
Based on 46 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
F9 2101 arrived on time 73% of the time on Thursdays and just 55% on Fridays. That gap is worth planning around.
Well behind the RDU–LAS route.
F9 2101 arrived on time 62% of the time, versus 84% across the RDU–LAS route.
Lagging the Frontier Airlines network.
F9 2101 arrived on time 62% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon55%(11 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu73%(11 flights)
- Fri55%(11 flights)
- Sat60%(10 flights)
- Sun—(2 flights)
64%
Aug
Jun 50% → Aug 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 18 |
| July 2025 | 75% | 16 |
| August 2025 | 64% | 11 |
- Departures on time
- 56%
- Diverted
- 0%
- Flights flown
- 45
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 46 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.