Flight Reliability
F9 4368 · Frontier Airlines
Chicago → Philadelphia (MDW–PHL)
69
Usually Fine
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 2.4%
- Cancelled
- 5 min early
- Median arrival delay
Based on 85 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 4368 departing between 12–3 PM arrived on time 100% of the time, versus 59% between 6–9 PM.
Mondays have been rough.
F9 4368 arrived on time 86% of the time on Thursdays and just 68% on Mondays. That gap is worth planning around.
The breakdown
- Mon68%(25 flights)
- Tue—(1 flights)
- Wed—(1 flights)
- Thu86%(14 flights)
- Fri77%(26 flights)
- Sat—(2 flights)
- Sun86%(14 flights)
- 6–9 AM79%(28 flights)
- 9 AM–12 PM—(8 flights)
- 12–3 PM100%(11 flights)
- 3–6 PM—(4 flights)
- 6–9 PM59%(32 flights)
80%
Nov
Aug 100% → Nov 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 100% | 11 |
| September 2025 | 77% | 17 |
| October 2025 | 89% | 18 |
| November 2025 | 80% | 20 |
- Departures on time
- 81%
- Diverted
- 0%
- Flights flown
- 83
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 85 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.