DL803 DFW → SEA

Delta Air Lines · Dallas/Fort Worth, TX to Seattle, WA · 185 flights observed, 2025-12-20 to 2026-06-28 · 1,660 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +67 min or later.

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”.

On-time arrival
74%
Median delay
-4 min
90th percentile
+67 min
Cancellation rate
2%

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).

ArrivalFlightsShare
Early / on-time13474%
16-30 min179%
31-60 min116%
61-120 min63%
2+ hrs148%

Performance by month

MonthFlightsOn-timeAvg delay
2025-12967%+21 min
2026-012875%+52 min
2026-022875%+30 min
2026-033067%+20 min
2026-043073%+7 min
2026-052983%+8 min
2026-062871%+13 min

Performance by day of week

DayFlightsOn-time
Mon2767%
Tue2774%
Wed2572%
Thu2580%
Fri2584%
Sat2673%
Sun2767%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…