Flight Reliability
F9 2799 · Frontier Airlines
Chicago → Austin (ORD–AUS)
41
Bring Snacks
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 33 min
- Average arrival delay
- 4.7%
- Cancelled
- 0 min
- Median arrival delay
Based on 127 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 2799 departing between 6–9 AM arrived on time 80% of the time, versus 44% between 3–6 PM.
Sunday scaries are real for this one.
F9 2799 arrived on time 70% of the time on Mondays and just 44% on Sundays. That gap is worth planning around.
Lagging the ORD–AUS route.
F9 2799 arrived on time 64% of the time, versus 73% across the ORD–AUS route.
Lagging the Frontier Airlines network.
F9 2799 arrived on time 64% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon70%(37 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu64%(22 flights)
- Fri69%(39 flights)
- Sat—(0 flights)
- Sun44%(23 flights)
- 6–9 AM80%(45 flights)
- 9 AM–12 PM—(8 flights)
- 12–3 PM56%(18 flights)
- 3–6 PM44%(34 flights)
- 6–9 PM56%(16 flights)
69%
Apr
Oct 64% → Apr 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 64% | 11 |
| December 2025 | 50% | 10 |
| January 2026 | 63% | 16 |
| February 2026 | 82% | 11 |
| March 2026 | 46% | 13 |
| April 2026 | 69% | 13 |
- Departures on time
- 70%
- Diverted
- 0%
- Flights flown
- 121
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 127 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.