DL1012 SEA → SFO

Delta Air Lines · Seattle, WA to San Francisco, CA · 16 flights observed, 2025-12-20 to 2026-01-04 · 679 mi

This flight has been on time less than half the time (31%) — expect a real chance of a delay.

DL1012 covers more than one route in the data window — the stats below are for SEA → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
31%
Median delay
+25 min
90th percentile
+160 min
Cancellation rate
0%

How often is DL1012 on time?

Across 16 flights on SEA → SFO from 2025-12-20 to 2026-01-04, DL1012 arrived within 15 minutes of schedule 31% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +160 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time531%
16-30 min638%
31-60 min16%
61-120 min16%
2+ hrs319%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121242%+82 min
2026-0140%+41 min

Performance by day of week

DayFlightsOn-time
Mon2100%
Tue250%
Wed250%
Thu20%
Fri20%
Sat333%
Sun30%

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