Flight Reliability
DL 5671 · Delta Air Lines
New York → Columbus (LGA–CMH)95% of its flights flew this route. The rest (DTW–MEM, ORD–JFK) are included in these numbers.
- 73%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 5.2%
- Cancelled
- 5 min early
- Median arrival delay
Based on 328 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
DL 5671 arrived on time 82% of the time on Wednesdays and just 65% on Mondays. That gap is worth planning around.
A bit behind the LGA–CMH route.
DL 5671 arrived on time 73% of the time, versus 77% across the LGA–CMH route.
Lagging the Delta Air Lines network.
DL 5671 arrived on time 73% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 5671 was cancelled 5.2% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon65%(49 flights)
- Tue78%(50 flights)
- Wed82%(45 flights)
- Thu71%(45 flights)
- Fri72%(50 flights)
- Sat73%(22 flights)
- Sun71%(49 flights)
Jun 59% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 27 |
| July 2025 | 63% | 24 |
| August 2025 | 88% | 25 |
| September 2025 | 90% | 29 |
| October 2025 | 80% | 30 |
| November 2025 | 68% | 28 |
| December 2025 | 63% | 27 |
| January 2026 | 79% | 24 |
| February 2026 | 86% | 22 |
| March 2026 | 46% | 24 |
| April 2026 | 73% | 26 |
| May 2026 | 83% | 24 |
- Departures on time
- 75%
- Diverted
- 0.3%
- Flights flown
- 310
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 328 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.