Flight OddsBWI → BOS Delta Air Lines
Delta Air Lines · Baltimore, MD to Boston, MA · 1,086 flights, 2025-07-01 to 2026-06-30 · aggregated across 11 flight numbers
On-time arrival
81%
Median delay
-13 min
90th percentile
+54 min
Cancellation rate
3%
How on-time is Delta Air Lines from BWI to BOS?
Across every Delta Air Lines flight number on BWI → BOS (1,086 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -13 min; the worst 10% ran +54 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 852 | 81% |
| 16-30 min | 32 | 3% |
| 31-60 min | 73 | 7% |
| 61-120 min | 53 | 5% |
| 2+ hrs | 40 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 100 | 75% | +15 min |
| 2025-08 | 102 | 86% | -6 min |
| 2025-09 | 97 | 65% | +16 min |
| 2025-10 | 105 | 74% | +13 min |
| 2025-11 | 79 | 86% | -3 min |
| 2025-12 | 64 | 81% | +7 min |
| 2026-01 | 73 | 85% | -6 min |
| 2026-02 | 71 | 86% | +5 min |
| 2026-03 | 86 | 88% | -1 min |
| 2026-04 | 87 | 82% | +10 min |
| 2026-05 | 86 | 84% | -6 min |
| 2026-06 | 100 | 86% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 160 | 75% |
| Tue | 168 | 86% |
| Wed | 161 | 81% |
| Thu | 159 | 81% |
| Fri | 167 | 80% |
| Sat | 99 | 93% |
| Sun | 136 | 76% |
DL flight numbers on BWI → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…