Flight Reliability
F9 4889 · Frontier Airlines
Philadelphia → Nashville (PHL–BNA)
61
A Little Dicey
WanderNerd Reliability Score
- 69%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 3.3%
- Cancelled
- 5 min early
- Median arrival delay
Based on 151 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 4889 departing between 9 AM–12 PM arrived on time 85% of the time, versus 60% between 6–9 PM.
Monday has been the better bet.
A small edge: 71% on time on Mondays against 65% on Sundays.
A bit behind the PHL–BNA route.
F9 4889 arrived on time 69% of the time, versus 75% across the PHL–BNA route.
A bit behind the Frontier Airlines network.
F9 4889 arrived on time 69% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon71%(28 flights)
- Tue—(3 flights)
- Wed—(0 flights)
- Thu67%(33 flights)
- Fri69%(32 flights)
- Sat—(4 flights)
- Sun65%(46 flights)
- 6–9 AM62%(13 flights)
- 9 AM–12 PM85%(47 flights)
- 12–3 PM66%(32 flights)
- 3–6 PM—(1 flights)
- 6–9 PM60%(53 flights)
63%
Apr
Aug 92% → Apr 63% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 92% | 12 |
| September 2025 | 59% | 17 |
| October 2025 | 76% | 21 |
| November 2025 | 67% | 15 |
| February 2026 | 50% | 10 |
| March 2026 | 59% | 17 |
| April 2026 | 63% | 16 |
- Departures on time
- 69%
- Diverted
- 0%
- Flights flown
- 146
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 151 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.