Flight Reliability
DL 5684 · Delta Air Lines
Cleveland → Boston (CLE–BOS)
92
Nerd Approved
WanderNerd Reliability Score
- 92%
- Arrive within 15 minutes
- 9 min early
- Average arrival delay
- 1.9%
- Cancelled
- 17 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Monday is the weak spot.
DL 5684 arrived on time 100% of the time on Fridays. On Mondays: 86%.
Better than the CLE–BOS route average.
DL 5684 arrived on time 92% of the time, versus 79% across the CLE–BOS route.
Better than the Delta Air Lines network average.
DL 5684 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 5684 arrived on time 96% of the time over the last three months in the data, compared with 82% in the three months before that.
The breakdown
- Mon86%(49 flights)
- Tue90%(50 flights)
- Wed90%(52 flights)
- Thu92%(52 flights)
- Fri100%(51 flights)
- Sat92%(52 flights)
- Sun92%(52 flights)
97%
May
Jun 97% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 30 |
| July 2025 | 87% | 30 |
| August 2025 | 100% | 31 |
| September 2025 | 97% | 29 |
| October 2025 | 97% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 81% | 31 |
| January 2026 | 86% | 28 |
| February 2026 | 81% | 26 |
| March 2026 | 94% | 31 |
| April 2026 | 97% | 30 |
| May 2026 | 97% | 31 |
- Departures on time
- 94%
- Diverted
- 0%
- Flights flown
- 358
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.