Flight Reliability
F9 2979 · Frontier Airlines
Buffalo → Raleigh–Durham (BUF–RDU)
- 82%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 1.9%
- Cancelled
- 11 min early
- Median arrival delay
Based on 106 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 2979 departing between 9 AM–12 PM arrived on time 91% of the time, versus 67% between 12–3 PM.
Saturdays have been rough.
F9 2979 arrived on time 94% of the time on Thursdays and just 74% on Saturdays. That gap is worth planning around.
Better than the Frontier Airlines network average.
F9 2979 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.
Recent months have been rougher.
F9 2979 arrived on time 74% of the time over the last three months in the data, compared with 90% in the three months before that.
The breakdown
- Mon—(8 flights)
- Tue—(2 flights)
- Wed—(1 flights)
- Thu94%(33 flights)
- Fri—(5 flights)
- Sat74%(19 flights)
- Sun81%(36 flights)
- 9 AM–12 PM91%(35 flights)
- 12–3 PM67%(15 flights)
- 3–6 PM80%(10 flights)
- 6–9 PM80%(44 flights)
Jun 100% → May 70% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 12 |
| July 2025 | 91% | 11 |
| August 2025 | 79% | 14 |
| October 2025 | 100% | 13 |
| November 2025 | 69% | 16 |
| April 2026 | 82% | 11 |
| May 2026 | 70% | 10 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 104
- Months covered
- 10
Keep nerding
Based on 106 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.