Flight Reliability
DL 2512 · Delta Air Lines
Salt Lake City → PSC (SLC–PSC)87% of its flights flew this route. The rest (SEA–LAX, MSP–LGA) are included in these numbers.
87
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.5%
- Cancelled
- 5 min early
- Median arrival delay
Based on 222 historical flights. Data through May 2026.
What the data says
Wednesdays have been rough.
DL 2512 arrived on time 94% of the time on Tuesdays and just 71% on Wednesdays. That gap is worth planning around.
A bit behind the SLC–PSC route.
DL 2512 arrived on time 83% of the time, versus 90% across the SLC–PSC route.
The breakdown
- Mon83%(30 flights)
- Tue94%(31 flights)
- Wed71%(31 flights)
- Thu81%(31 flights)
- Fri87%(31 flights)
- Sat91%(34 flights)
- Sun75%(32 flights)
- 3–6 PM—(1 flights)
- 6–9 PM—(7 flights)
- 9 PM–12 AM83%(212 flights)
77%
May
Jun 86% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 86% | 22 |
| July 2025 | 74% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 83% | 29 |
| December 2025 | 94% | 18 |
| May 2026 | 77% | 26 |
- Departures on time
- 82%
- Diverted
- 0.5%
- Flights flown
- 220
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 222 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.