Flight Reliability
F9 3278 · Frontier Airlines
Salt Lake City → Dallas–Fort Worth (SLC–DFW)
- 78%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 2.1%
- Cancelled
- 9 min early
- Median arrival delay
Based on 142 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 3278 departing between 9 AM–12 PM arrived on time 87% of the time, versus 69% between 3–6 PM.
Saturdays have been rough.
F9 3278 arrived on time 93% of the time on Thursdays and just 68% on Saturdays. That gap is worth planning around.
A bit ahead of the Frontier Airlines network.
F9 3278 arrived on time 78% of the time, versus 73% across the Frontier Airlines network.
Recent months have been rougher.
F9 3278 arrived on time 73% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon81%(36 flights)
- Tue—(5 flights)
- Wed—(6 flights)
- Thu93%(14 flights)
- Fri69%(35 flights)
- Sat68%(19 flights)
- Sun79%(24 flights)
- 6–9 AM74%(19 flights)
- 9 AM–12 PM87%(37 flights)
- 12–3 PM—(3 flights)
- 3–6 PM69%(29 flights)
- 6–9 PM77%(51 flights)
Jun 100% → Apr 40% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 11 |
| July 2025 | 50% | 10 |
| October 2025 | 93% | 15 |
| November 2025 | 82% | 11 |
| December 2025 | 92% | 13 |
| January 2026 | 70% | 10 |
| February 2026 | 100% | 10 |
| March 2026 | 79% | 28 |
| April 2026 | 40% | 10 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 139
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 142 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.