Flight Reliability
F9 2081 · Frontier Airlines
San Juan → Atlanta (SJU–ATL)
6
Bring Snacks
WanderNerd Reliability Score
- 58%
- Arrive within 15 minutes
- 72 min
- Average arrival delay
- 3.7%
- Cancelled
- 10 min
- Median arrival delay
Based on 54 historical flights. Data through May 2026.
What the data says
Saturday has been the better bet.
A small edge: 67% on time on Saturdays against 60% on Fridays.
Well behind the SJU–ATL route.
F9 2081 arrived on time 58% of the time, versus 82% across the SJU–ATL route.
Well behind the Frontier Airlines network.
F9 2081 arrived on time 58% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(8 flights)
- Tue—(5 flights)
- Wed—(4 flights)
- Thu—(5 flights)
- Fri60%(10 flights)
- Sat67%(12 flights)
- Sun—(6 flights)
- 6–9 AM53%(38 flights)
- 9 AM–12 PM—(5 flights)
- 12–3 PM—(7 flights)
69%
Jan
Nov 64% → Jan 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 64% | 11 |
| December 2025 | 46% | 13 |
| January 2026 | 69% | 13 |
- Departures on time
- 77%
- Diverted
- 3.7%
- Flights flown
- 50
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 54 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.