DL3707 SEA → SFO

Delta Air Lines · Seattle, WA to San Francisco, CA · 325 flights observed, 2025-07-01 to 2026-06-30 · 679 mi

This flight has been getting less reliable recently — 2026-06's on-time rate (47%) is well below the 79% average from earlier months.

DL3707 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
75%
Median delay
-3 min
90th percentile
+40 min
Cancellation rate
1%

How often is DL3707 on time?

Across 325 flights on SEA → SFO from 2025-07-01 to 2026-06-30, DL3707 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +40 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time24275%
16-30 min3310%
31-60 min278%
61-120 min165%
2+ hrs31%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073197%-9 min
2025-083187%-4 min
2025-093087%-1 min
2025-103181%+0 min
2025-112778%+5 min
2025-121989%-6 min
2026-012176%+8 min
2026-022085%+2 min
2026-032588%+5 min
2026-042646%+23 min
2026-053050%+20 min
2026-063047%+20 min

Performance by day of week

DayFlightsOn-time
Mon5070%
Tue4482%
Wed4286%
Thu4967%
Fri4875%
Sat3985%
Sun4967%

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