Flight Reliability
F9 1841 · Frontier Airlines
Philadelphia → Austin (PHL–AUS)
73
Usually Fine
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 3.1%
- Cancelled
- 9 min early
- Median arrival delay
Based on 65 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 1841 departing between 6–9 AM arrived on time 87% of the time, versus 56% between 3–6 PM.
Thursday comes out ahead.
A small edge: 79% on time on Thursdays against 76% on Sundays.
A bit ahead of the Frontier Airlines network.
F9 1841 arrived on time 78% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon77%(13 flights)
- Tue—(0 flights)
- Wed—(1 flights)
- Thu79%(24 flights)
- Fri—(0 flights)
- Sat—(0 flights)
- Sun76%(25 flights)
- 6–9 AM87%(38 flights)
- 9 AM–12 PM—(2 flights)
- 12–3 PM—(5 flights)
- 3–6 PM56%(18 flights)
82%
Nov
Aug 60% → Nov 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 60% | 10 |
| September 2025 | 100% | 12 |
| October 2025 | 92% | 13 |
| November 2025 | 82% | 11 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 63
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 65 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.