Flight OddsDL5661 BOS → CLE
Delta Air Lines · Boston, MA to Cleveland, OH · 81 flights observed, 2025-12-20 to 2026-04-11 · 563 mi
DL5661 covers more than one route in the data window — the stats below are for BOS → CLE, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-10 min
90th percentile
+47 min
Cancellation rate
6%
How often is DL5661 on time?
Across 81 flights on BOS → CLE from 2025-12-20 to 2026-04-11, DL5661 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +47 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 59 | 78% |
| 16-30 min | 5 | 7% |
| 31-60 min | 6 | 8% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 4 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 11 | 82% | +4 min |
| 2026-01 | 28 | 68% | +12 min |
| 2026-02 | 25 | 84% | +8 min |
| 2026-03 | 10 | 80% | +6 min |
| 2026-04 | 2 | 100% | -23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 9 | 67% |
| Wed | 11 | 64% |
| Thu | 11 | 73% |
| Fri | 11 | 82% |
| Sat | 17 | 82% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…