Flight Reliability
F9 3972 · Frontier Airlines
Phoenix → Dallas–Fort Worth (PHX–DFW)
- 79%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 194 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 3972 departing between 3–6 AM arrived on time 97% of the time, versus 71% between 3–6 PM.
Friday is doing you no favors.
F9 3972 arrived on time 90% of the time on Wednesdays and just 74% on Fridays. That gap is worth planning around.
A bit ahead of the Frontier Airlines network.
F9 3972 arrived on time 79% of the time, versus 73% across the Frontier Airlines network.
Trending in the right direction.
F9 3972 arrived on time 90% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon83%(36 flights)
- Tue77%(26 flights)
- Wed90%(10 flights)
- Thu79%(29 flights)
- Fri74%(35 flights)
- Sat75%(28 flights)
- Sun78%(27 flights)
- 3–6 AM97%(30 flights)
- 6–9 AM85%(13 flights)
- 9 AM–12 PM—(9 flights)
- 12–3 PM73%(111 flights)
- 3–6 PM71%(28 flights)
Jun 65% → Jan 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 23 |
| July 2025 | 68% | 25 |
| August 2025 | 72% | 25 |
| September 2025 | 84% | 25 |
| October 2025 | 86% | 22 |
| November 2025 | 90% | 20 |
| December 2025 | 100% | 13 |
| January 2026 | 81% | 16 |
- Departures on time
- 82%
- Diverted
- 0.5%
- Flights flown
- 191
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 194 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.