Flight Reliability
DL 2230 · Delta Air Lines
Salt Lake City → Columbus (SLC–CMH)
84
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.6%
- Cancelled
- 3 min early
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
DL 2230 departing between 3–6 PM arrived on time 80% of the time, versus 70% between 6–9 PM.
Sunday scaries are real for this one.
DL 2230 arrived on time 86% of the time on Thursdays. On Sundays: 74%.
Ticking up lately.
DL 2230 arrived on time 84% of the time over the last three months in the data, compared with 77% in the three months before that.
The breakdown
- Mon77%(52 flights)
- Tue79%(52 flights)
- Wed75%(51 flights)
- Thu86%(51 flights)
- Fri82%(50 flights)
- Sat84%(51 flights)
- Sun74%(53 flights)
- 3–6 PM80%(327 flights)
- 6–9 PM70%(33 flights)
87%
May
Jun 77% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 30 |
| July 2025 | 68% | 31 |
| August 2025 | 77% | 30 |
| September 2025 | 87% | 30 |
| October 2025 | 73% | 30 |
| November 2025 | 90% | 30 |
| December 2025 | 70% | 30 |
| January 2026 | 80% | 30 |
| February 2026 | 82% | 27 |
| March 2026 | 81% | 31 |
| April 2026 | 83% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 79%
- Diverted
- 0.3%
- Flights flown
- 360
- Months covered
- 12
Keep nerding
Based on 363 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.