Flight Reliability
F9 1595 · Frontier Airlines
Atlanta → Chicago (ATL–ORD)
43
Bring Snacks
WanderNerd Reliability Score
- 57%
- Arrive within 15 minutes
- 47 min
- Average arrival delay
- 0.9%
- Cancelled
- 8 min
- Median arrival delay
Based on 108 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 1595 departing between 12–3 PM arrived on time 63% of the time, versus 56% between 3–6 PM.
Mondays have been rough.
F9 1595 arrived on time 69% of the time on Fridays and just 50% on Mondays. That gap is worth planning around.
Lagging the ATL–ORD route.
F9 1595 arrived on time 57% of the time, versus 71% across the ATL–ORD route.
Well behind the Frontier Airlines network.
F9 1595 arrived on time 57% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon50%(12 flights)
- Tue56%(36 flights)
- Wed55%(22 flights)
- Thu—(3 flights)
- Fri69%(13 flights)
- Sat61%(18 flights)
- Sun—(3 flights)
- 12–3 PM63%(19 flights)
- 3–6 PM56%(66 flights)
- 6–9 PM—(9 flights)
- 9 PM–12 AM62%(13 flights)
70%
Oct
Jul 62% → Oct 70% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 62% | 13 |
| September 2025 | 74% | 19 |
| October 2025 | 70% | 20 |
- Departures on time
- 54%
- Diverted
- 0%
- Flights flown
- 107
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 108 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.