Flight Reliability
DL 2915 · Delta Air Lines
Cincinnati → Las Vegas (CVG–LAS)
83
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 1.7%
- Cancelled
- 6 min early
- Median arrival delay
Based on 356 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
DL 2915 arrived on time 92% of the time on Sundays and just 69% on Mondays. That gap is worth planning around.
Trending in the right direction.
DL 2915 arrived on time 83% of the time over the last three months in the data, compared with 76% in the three months before that.
The breakdown
- Mon69%(51 flights)
- Tue78%(49 flights)
- Wed87%(47 flights)
- Thu88%(49 flights)
- Fri86%(51 flights)
- Sat84%(50 flights)
- Sun92%(52 flights)
80%
May
Jun 73% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 89% | 28 |
| August 2025 | 87% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 84% | 31 |
| November 2025 | 93% | 29 |
| December 2025 | 74% | 27 |
| January 2026 | 75% | 24 |
| February 2026 | 79% | 28 |
| March 2026 | 87% | 31 |
| April 2026 | 83% | 30 |
| May 2026 | 80% | 30 |
- Departures on time
- 85%
- Diverted
- 0.3%
- Flights flown
- 349
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 356 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.