Flight Reliability
F9 1264 · Frontier Airlines
Atlanta → Detroit (ATL–DTW)
85
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.9%
- Cancelled
- 9 min early
- Median arrival delay
Based on 231 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 1264 departing between 12–3 PM arrived on time 84% of the time, versus 67% between 3–6 PM.
Mondays have been rough.
F9 1264 arrived on time 92% of the time on Tuesdays and just 66% on Mondays. That gap is worth planning around.
Better than the Frontier Airlines network average.
F9 1264 arrived on time 80% of the time, versus 73% across the Frontier Airlines network.
Slipping a little lately.
F9 1264 arrived on time 80% of the time over the last three months in the data, compared with 83% in the three months before that.
The breakdown
- Mon66%(32 flights)
- Tue92%(24 flights)
- Wed89%(26 flights)
- Thu77%(44 flights)
- Fri90%(30 flights)
- Sat90%(30 flights)
- Sun70%(43 flights)
- 6–9 AM82%(109 flights)
- 9 AM–12 PM79%(24 flights)
- 12–3 PM84%(68 flights)
- 3–6 PM67%(27 flights)
- 6–9 PM—(1 flights)
64%
May
Jun 73% → May 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 11 |
| August 2025 | 80% | 15 |
| September 2025 | 90% | 30 |
| October 2025 | 74% | 31 |
| November 2025 | 76% | 29 |
| December 2025 | 79% | 19 |
| February 2026 | 93% | 14 |
| March 2026 | 89% | 28 |
| April 2026 | 86% | 28 |
| May 2026 | 64% | 11 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 229
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 231 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.