Flight Reliability
F9 1157 · Frontier Airlines
Newark → Atlanta (EWR–ATL)
66
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 2.9%
- Cancelled
- 11 min early
- Median arrival delay
Based on 345 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 9 AM–12 PM arrived on time 75% of the time, against 70% between 9 PM–12 AM.
Sunday scaries are real for this one.
F9 1157 arrived on time 84% of the time on Wednesdays and just 65% on Sundays. That gap is worth planning around.
A bit behind the EWR–ATL route.
F9 1157 arrived on time 73% of the time, versus 78% across the EWR–ATL route.
Trending in the right direction.
F9 1157 arrived on time 80% of the time over the last three months in the data, compared with 61% in the three months before that.
The breakdown
- Mon65%(46 flights)
- Tue71%(51 flights)
- Wed84%(44 flights)
- Thu80%(49 flights)
- Fri77%(47 flights)
- Sat71%(49 flights)
- Sun65%(48 flights)
- 9 AM–12 PM75%(175 flights)
- 9 PM–12 AM70%(159 flights)
93%
May
Jun 73% → May 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 63% | 30 |
| August 2025 | 83% | 30 |
| September 2025 | 93% | 30 |
| October 2025 | 68% | 31 |
| November 2025 | 71% | 28 |
| December 2025 | 39% | 28 |
| January 2026 | 65% | 23 |
| February 2026 | 79% | 19 |
| March 2026 | 64% | 28 |
| April 2026 | 82% | 27 |
| May 2026 | 93% | 30 |
- Departures on time
- 70%
- Diverted
- 0.3%
- Flights flown
- 334
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 345 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.