Flight OddsDL5644 BWI → BOS
Delta Air Lines · Baltimore, MD to Boston, MA · 302 flights observed, 2025-07-01 to 2026-06-30 · 369 mi
DL5644 covers more than one route in the data window — the stats below are for BWI → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
-9 min
90th percentile
+96 min
Cancellation rate
6%
How often is DL5644 on time?
Across 302 flights on BWI → BOS from 2025-07-01 to 2026-06-30, DL5644 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +96 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 | 187 | 66% |
| 16-30 min | 14 | 5% |
| 31-60 min | 26 | 9% |
| 61-120 min | 33 | 12% |
| 2+ hrs | 24 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 52% | +64 min |
| 2025-08 | 24 | 67% | +7 min |
| 2025-09 | 24 | 13% | +65 min |
| 2025-10 | 25 | 36% | +42 min |
| 2025-11 | 21 | 76% | +6 min |
| 2025-12 | 17 | 71% | +6 min |
| 2026-01 | 19 | 89% | -11 min |
| 2026-02 | 23 | 83% | +18 min |
| 2026-03 | 26 | 81% | +13 min |
| 2026-04 | 26 | 81% | +29 min |
| 2026-05 | 30 | 77% | +1 min |
| 2026-06 | 26 | 69% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 68% |
| Tue | 50 | 72% |
| Wed | 47 | 62% |
| Thu | 45 | 73% |
| Fri | 47 | 66% |
| Sat | 10 | 80% |
| Sun | 41 | 49% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…