Flight OddsSEA → DEN Delta Air Lines
Delta Air Lines · Seattle, WA to Denver, CO · 1,089 flights, 2025-07-01 to 2026-06-30 · aggregated across 10 flight numbers
On-time arrival
76%
Median delay
-6 min
90th percentile
+48 min
Cancellation rate
1%
How on-time is Delta Air Lines from SEA to DEN?
Across every Delta Air Lines flight number on SEA → DEN (1,089 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +48 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 823 | 76% |
| 16-30 min | 89 | 8% |
| 31-60 min | 87 | 8% |
| 61-120 min | 49 | 5% |
| 2+ hrs | 28 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 90 | 61% | +21 min |
| 2025-08 | 92 | 67% | +18 min |
| 2025-09 | 90 | 74% | +9 min |
| 2025-10 | 93 | 78% | +4 min |
| 2025-11 | 87 | 85% | +2 min |
| 2025-12 | 86 | 78% | +4 min |
| 2026-01 | 92 | 88% | -6 min |
| 2026-02 | 84 | 87% | -5 min |
| 2026-03 | 91 | 77% | +4 min |
| 2026-04 | 90 | 81% | +2 min |
| 2026-05 | 93 | 72% | +3 min |
| 2026-06 | 88 | 69% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 154 | 76% |
| Tue | 159 | 75% |
| Wed | 152 | 80% |
| Thu | 150 | 75% |
| Fri | 152 | 74% |
| Sat | 154 | 79% |
| Sun | 155 | 75% |
DL flight numbers on SEA → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…