Flight Reliability
DL 2291 · Delta Air Lines
Salt Lake City → Cincinnati (SLC–CVG)
92
Nerd Approved
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0%
- Cancelled
- 9 min early
- Median arrival delay
Based on 312 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
DL 2291 arrived on time 93% of the time on Tuesdays and just 69% on Saturdays. That gap is worth planning around.
A bit behind the SLC–CVG route.
DL 2291 arrived on time 84% of the time, versus 87% across the SLC–CVG route.
It basically never cancels.
Out of 312 scheduled flights, only 0.0% were cancelled.
Slipping a little lately.
DL 2291 arrived on time 83% of the time over the last three months in the data, compared with 90% in the three months before that.
The breakdown
- Mon86%(50 flights)
- Tue93%(41 flights)
- Wed92%(39 flights)
- Thu79%(47 flights)
- Fri85%(48 flights)
- Sat69%(39 flights)
- Sun81%(48 flights)
87%
May
Jun 67% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 27 |
| July 2025 | 69% | 26 |
| August 2025 | 90% | 29 |
| September 2025 | 96% | 25 |
| October 2025 | 87% | 30 |
| November 2025 | 86% | 28 |
| December 2025 | 82% | 28 |
| January 2026 | 88% | 16 |
| February 2026 | 100% | 14 |
| March 2026 | 75% | 28 |
| April 2026 | 87% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 312
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 312 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.