Flight OddsDL4026 SEA → DEN
Delta Air Lines · Seattle, WA to Denver, CO · 122 flights observed, 2026-01-05 to 2026-05-06 · 1,024 mi
DL4026 covers more than one route in the data window — the stats below are for SEA → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-8 min
90th percentile
+35 min
Cancellation rate
1%
How often is DL4026 on time?
Across 122 flights on SEA → DEN from 2026-01-05 to 2026-05-06, DL4026 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +35 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 101 | 83% |
| 16-30 min | 5 | 4% |
| 31-60 min | 10 | 8% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 27 | 89% | -1 min |
| 2026-02 | 28 | 89% | -1 min |
| 2026-03 | 30 | 77% | +1 min |
| 2026-04 | 30 | 83% | -4 min |
| 2026-05 | 6 | 67% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 89% |
| Tue | 18 | 83% |
| Wed | 18 | 78% |
| Thu | 17 | 76% |
| Fri | 16 | 75% |
| Sat | 17 | 94% |
| Sun | 17 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…