Flight Reliability
DL 1483 · Delta Air Lines
Los Angeles → Salt Lake City (LAX–SLC)99% of its flights flew this route. The rest (ATL–MOB, MOB–ATL) are included in these numbers.
89
Pretty Reliable
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0.4%
- Cancelled
- 11 min early
- Median arrival delay
Based on 279 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 1483 arrived on time 93% of the time on Tuesdays and just 73% on Fridays. That gap is worth planning around.
A bit ahead of the Delta Air Lines network.
DL 1483 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon87%(47 flights)
- Tue93%(44 flights)
- Wed91%(42 flights)
- Thu89%(44 flights)
- Fri73%(44 flights)
- Sat—(8 flights)
- Sun81%(47 flights)
- 3–6 PM—(2 flights)
- 6–9 PM85%(274 flights)
92%
May
Jun 85% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 85% | 26 |
| July 2025 | 79% | 28 |
| August 2025 | 80% | 20 |
| September 2025 | 94% | 17 |
| October 2025 | 87% | 23 |
| November 2025 | 89% | 18 |
| December 2025 | 72% | 18 |
| January 2026 | 89% | 28 |
| February 2026 | 91% | 22 |
| March 2026 | 96% | 26 |
| April 2026 | 73% | 26 |
| May 2026 | 92% | 24 |
- Departures on time
- 81%
- Diverted
- 0.7%
- Flights flown
- 276
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 279 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.