Flight Reliability
F9 1442 · Frontier Airlines
Chicago → Atlanta (ORD–ATL)
27
Bring Snacks
WanderNerd Reliability Score
- 53%
- Arrive within 15 minutes
- 50 min
- Average arrival delay
- 3.0%
- Cancelled
- 12 min
- Median arrival delay
Based on 198 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
F9 1442 departing between 3–6 PM arrived on time 67% of the time, versus 40% between 6–9 PM.
Friday is doing you no favors.
F9 1442 arrived on time 72% of the time on Saturdays and just 33% on Fridays. That gap is worth planning around.
Well behind the ORD–ATL route.
F9 1442 arrived on time 53% of the time, versus 75% across the ORD–ATL route.
Well behind the Frontier Airlines network.
F9 1442 arrived on time 53% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon53%(32 flights)
- Tue33%(12 flights)
- Wed50%(22 flights)
- Thu59%(34 flights)
- Fri33%(30 flights)
- Sat72%(29 flights)
- Sun56%(32 flights)
- 9 AM–12 PM—(4 flights)
- 12–3 PM55%(11 flights)
- 3–6 PM67%(82 flights)
- 6–9 PM40%(94 flights)
92%
Feb
Jun 25% → Feb 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 25% | 28 |
| July 2025 | 35% | 29 |
| August 2025 | 59% | 27 |
| September 2025 | 50% | 22 |
| October 2025 | 70% | 23 |
| November 2025 | 62% | 21 |
| January 2026 | 82% | 11 |
| February 2026 | 92% | 13 |
- Departures on time
- 56%
- Diverted
- 0.5%
- Flights flown
- 191
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 198 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.