Flight Reliability
DL 1459 · Delta Air Lines
Atlanta → Columbus (ATL–CMH)
75
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.0%
- Cancelled
- 5 min early
- Median arrival delay
Based on 354 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 1459 arrived on time 86% of the time on Tuesdays and just 64% on Sundays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 1459 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.
Recent months have been rougher.
DL 1459 arrived on time 76% of the time over the last three months in the data, compared with 83% in the three months before that.
The breakdown
- Mon74%(50 flights)
- Tue86%(49 flights)
- Wed76%(49 flights)
- Thu84%(51 flights)
- Fri76%(49 flights)
- Sat83%(47 flights)
- Sun64%(50 flights)
75%
May
Jun 48% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 48% | 29 |
| July 2025 | 53% | 30 |
| August 2025 | 77% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 89% | 28 |
| December 2025 | 81% | 31 |
| January 2026 | 87% | 30 |
| February 2026 | 82% | 27 |
| March 2026 | 66% | 29 |
| April 2026 | 86% | 29 |
| May 2026 | 75% | 20 |
- Departures on time
- 78%
- Diverted
- 0.6%
- Flights flown
- 345
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 354 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.