Flight Reliability
F9 1669 · Frontier Airlines
Raleigh–Durham → Atlanta (RDU–ATL)
70
Usually Fine
WanderNerd Reliability Score
- 67%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 0.6%
- Cancelled
- 1 min early
- Median arrival delay
Based on 157 historical flights. Data through May 2026.
What the data says
6–9 PM has a slight edge.
Departures between 6–9 PM arrived on time 69% of the time, against 63% between 3–6 PM.
Wednesdays have been rough.
F9 1669 arrived on time 74% of the time on Fridays and just 54% on Wednesdays. That gap is worth planning around.
Well behind the RDU–ATL route.
F9 1669 arrived on time 67% of the time, versus 87% across the RDU–ATL route.
A bit behind the Frontier Airlines network.
F9 1669 arrived on time 67% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon69%(32 flights)
- Tue67%(12 flights)
- Wed54%(13 flights)
- Thu73%(30 flights)
- Fri74%(31 flights)
- Sat—(8 flights)
- Sun57%(30 flights)
- 9 AM–12 PM—(5 flights)
- 12–3 PM64%(25 flights)
- 3–6 PM63%(57 flights)
- 6–9 PM69%(68 flights)
- 9 PM–12 AM—(1 flights)
65%
May
Sep 82% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 82% | 17 |
| October 2025 | 56% | 18 |
| November 2025 | 67% | 15 |
| February 2026 | 60% | 10 |
| March 2026 | 56% | 25 |
| April 2026 | 71% | 28 |
| May 2026 | 65% | 31 |
- Departures on time
- 72%
- Diverted
- 0%
- Flights flown
- 156
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 157 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.