Flight OddsDL5663 CMH → BOS
Delta Air Lines · Columbus, OH to Boston, MA · 365 flights observed, 2025-07-01 to 2026-06-30 · 640 mi
On-time arrival
92%
Median delay
-17 min
90th percentile
+12 min
Cancellation rate
1%
How often is DL5663 on time?
Across 365 flights on CMH → BOS from 2025-07-01 to 2026-06-30, DL5663 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +12 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 328 | 92% |
| 16-30 min | 18 | 5% |
| 31-60 min | 6 | 2% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 93% | -10 min |
| 2025-08 | 31 | 87% | -5 min |
| 2025-09 | 30 | 100% | -16 min |
| 2025-10 | 31 | 97% | -7 min |
| 2025-11 | 29 | 97% | -18 min |
| 2025-12 | 31 | 81% | -7 min |
| 2026-01 | 29 | 72% | +4 min |
| 2026-02 | 26 | 92% | -9 min |
| 2026-03 | 31 | 87% | -14 min |
| 2026-04 | 30 | 97% | -18 min |
| 2026-05 | 30 | 97% | -19 min |
| 2026-06 | 30 | 100% | -25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 88% |
| Tue | 52 | 90% |
| Wed | 51 | 88% |
| Thu | 51 | 92% |
| Fri | 52 | 96% |
| Sat | 52 | 88% |
| Sun | 51 | 98% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…