Flight OddsDL5639 CLT → BOS
Delta Air Lines · Charlotte, NC to Boston, MA · 75 flights observed, 2025-08-16 to 2026-06-06 · 728 mi
DL5639 covers more than one route in the data window — the stats below are for CLT → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-13 min
90th percentile
+11 min
Cancellation rate
0%
How often is DL5639 on time?
Across 75 flights on CLT → BOS from 2025-08-16 to 2026-06-06, DL5639 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +11 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 68 | 91% |
| 16-30 min | 2 | 3% |
| 31-60 min | 1 | 1% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 3 | 100% | -33 min |
| 2025-09 | 4 | 100% | -28 min |
| 2025-10 | 1 | 100% | -21 min |
| 2025-12 | 9 | 78% | +22 min |
| 2026-01 | 3 | 100% | -11 min |
| 2026-04 | 18 | 100% | -9 min |
| 2026-05 | 31 | 84% | -6 min |
| 2026-06 | 6 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 90% |
| Tue | 10 | 80% |
| Wed | 8 | 88% |
| Thu | 8 | 88% |
| Fri | 10 | 100% |
| Sat | 19 | 95% |
| 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…