Flight Reliability
DL 393 · Delta Air Lines
Cincinnati → Los Angeles (CVG–LAX)
84
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 2.1%
- Cancelled
- 9 min early
- Median arrival delay
Based on 334 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 393 arrived on time 96% of the time on Sundays and just 78% on Fridays. That gap is worth planning around.
A bit ahead of the CVG–LAX route.
DL 393 arrived on time 85% of the time, versus 81% across the CVG–LAX route.
A bit ahead of the Delta Air Lines network.
DL 393 arrived on time 85% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 393 arrived on time 88% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon82%(50 flights)
- Tue80%(51 flights)
- Wed88%(51 flights)
- Thu90%(50 flights)
- Fri78%(51 flights)
- Sat84%(49 flights)
- Sun96%(25 flights)
90%
May
Jun 71% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 24 |
| July 2025 | 84% | 25 |
| August 2025 | 92% | 26 |
| September 2025 | 89% | 26 |
| October 2025 | 78% | 27 |
| November 2025 | 96% | 26 |
| December 2025 | 85% | 27 |
| January 2026 | 78% | 27 |
| February 2026 | 79% | 28 |
| March 2026 | 94% | 31 |
| April 2026 | 80% | 30 |
| May 2026 | 90% | 30 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 327
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 334 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.