Flight Reliability
DL 4082 · Delta Air Lines
Jackson → Salt Lake City (JAC–SLC)94% of its flights flew this route. The rest (PSC–SEA, ATL–LFT) are included in these numbers.
73
Usually Fine
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 1.9%
- Cancelled
- 6 min early
- Median arrival delay
Based on 155 historical flights. Data through May 2026.
What the data says
Wednesdays have been rough.
DL 4082 arrived on time 91% of the time on Saturdays and just 62% on Wednesdays. That gap is worth planning around.
Lagging the JAC–SLC route.
DL 4082 arrived on time 76% of the time, versus 88% across the JAC–SLC route.
A bit behind the Delta Air Lines network.
DL 4082 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon73%(22 flights)
- Tue68%(22 flights)
- Wed62%(21 flights)
- Thu75%(20 flights)
- Fri78%(23 flights)
- Sat91%(22 flights)
- Sun86%(22 flights)
- 6–9 AM75%(143 flights)
- 3–6 PM—(7 flights)
- 9 PM–12 AM—(2 flights)
83%
May
Jan 79% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 79% | 28 |
| February 2026 | 59% | 27 |
| March 2026 | 79% | 29 |
| April 2026 | 73% | 30 |
| May 2026 | 83% | 30 |
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 152
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 155 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.