Flight Reliability
F9 3004 · Frontier Airlines
Charlotte → San Juan (CLT–SJU)
7
Bring Snacks
WanderNerd Reliability Score
- 47%
- Arrive within 15 minutes
- 67 min
- Average arrival delay
- 4.8%
- Cancelled
- 18 min
- Median arrival delay
Based on 83 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 3004 departing between 12–3 PM arrived on time 58% of the time, versus 33% between 9 AM–12 PM.
Sunday scaries are real for this one.
F9 3004 arrived on time 70% of the time on Saturdays and just 36% on Sundays. That gap is worth planning around.
Well behind the CLT–SJU route.
F9 3004 arrived on time 47% of the time, versus 76% across the CLT–SJU route.
Well behind the Frontier Airlines network.
F9 3004 arrived on time 47% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(7 flights)
- Tue50%(12 flights)
- Wed—(3 flights)
- Thu41%(17 flights)
- Fri—(8 flights)
- Sat70%(10 flights)
- Sun36%(22 flights)
- 9 AM–12 PM33%(15 flights)
- 12–3 PM58%(12 flights)
- 3–6 PM—(9 flights)
- 6–9 PM43%(28 flights)
- 9 PM–12 AM53%(15 flights)
62%
May
Jul 50% → May 62% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 50% | 14 |
| March 2026 | 70% | 10 |
| April 2026 | 25% | 12 |
| May 2026 | 62% | 13 |
- Departures on time
- 46%
- Diverted
- 0%
- Flights flown
- 79
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 83 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.