Delta Air Lines · Dallas/Fort Worth, TX to Seattle, WA · 185 flights observed, 2025-12-20 to 2026-06-28 · 1,660 mi
DL803 covers more than one route in the data window — the stats below are for DFW → SEA, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL803 on time?
Across 185 flights on DFW → SEA from 2025-12-20 to 2026-06-28, DL803 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +67 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 134 | 74% |
| 16-30 min | 17 | 9% |
| 31-60 min | 11 | 6% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 14 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 9 | 67% | +21 min |
| 2026-01 | 28 | 75% | +52 min |
| 2026-02 | 28 | 75% | +30 min |
| 2026-03 | 30 | 67% | +20 min |
| 2026-04 | 30 | 73% | +7 min |
| 2026-05 | 29 | 83% | +8 min |
| 2026-06 | 28 | 71% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 27 | 67% |
| Tue | 27 | 74% |
| Wed | 25 | 72% |
| Thu | 25 | 80% |
| Fri | 25 | 84% |
| Sat | 26 | 73% |
| Sun | 27 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…