Flight Reliability
F9 4348 · Frontier Airlines
Atlanta → New York (ATL–LGA)
82
Pretty Reliable
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 0.5%
- Cancelled
- 5 min early
- Median arrival delay
Based on 212 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 6–9 AM arrived on time 79% of the time, against 74% between 9 AM–12 PM.
Saturdays have been rough.
F9 4348 arrived on time 86% of the time on Wednesdays and just 71% on Saturdays. That gap is worth planning around.
A bit ahead of the ATL–LGA route.
F9 4348 arrived on time 77% of the time, versus 73% across the ATL–LGA route.
A bit ahead of the Frontier Airlines network.
F9 4348 arrived on time 77% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon71%(28 flights)
- Tue76%(29 flights)
- Wed86%(29 flights)
- Thu79%(29 flights)
- Fri82%(28 flights)
- Sat71%(38 flights)
- Sun77%(30 flights)
- 6–9 AM79%(146 flights)
- 9 AM–12 PM74%(65 flights)
73%
Jan
Jun 77% → Jan 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 30 |
| July 2025 | 83% | 30 |
| August 2025 | 74% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 84% | 25 |
| December 2025 | 59% | 17 |
| January 2026 | 73% | 11 |
- Departures on time
- 74%
- Diverted
- 0%
- Flights flown
- 211
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 212 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.