Flight OddsDEN → BOS Delta Air Lines
Delta Air Lines · Denver, CO to Boston, MA · 400 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
76%
Median delay
-3 min
90th percentile
+44 min
Cancellation rate
2%
How on-time is Delta Air Lines from DEN to BOS?
Across every Delta Air Lines flight number on DEN → BOS (400 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +44 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 300 | 76% |
| 16-30 min | 31 | 8% |
| 31-60 min | 33 | 8% |
| 61-120 min | 18 | 5% |
| 2+ hrs | 11 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 57 | 81% | 0 min |
| 2025-08 | 37 | 84% | -1 min |
| 2025-09 | 30 | 40% | +44 min |
| 2025-10 | 31 | 48% | +39 min |
| 2025-11 | 30 | 87% | -3 min |
| 2025-12 | 31 | 81% | -1 min |
| 2026-01 | 29 | 83% | +3 min |
| 2026-02 | 27 | 85% | -7 min |
| 2026-03 | 31 | 94% | 0 min |
| 2026-04 | 30 | 80% | +3 min |
| 2026-05 | 30 | 80% | +4 min |
| 2026-06 | 30 | 70% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 54 | 80% |
| Tue | 57 | 68% |
| Wed | 57 | 74% |
| Thu | 56 | 68% |
| Fri | 57 | 82% |
| Sat | 55 | 91% |
| Sun | 57 | 72% |
DL flight numbers on DEN → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…