About 1 in 3 DL 3707 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (36%); 1.2% were cancelled. The typical flight landed 3 minutes late.
DL 3707: SFO → SEA
Scheduled to leave San Francisco at 4:37 p.m. local time, operated by SkyWest as OO 3707. Over the past year it arrived on time 64% of the time (331 flights), worse than other DL flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 55% |
| Tuesday | 46 | 72% |
| Wednesday | 46 | 67% |
| Thursday | 50 | 48% |
| Friday | 50 | 70% |
| Saturday | 39 | 82% |
| Sunday | 49 | 61% |
Why it was late
All flights SFO → SEA · Connecting off DL 3707? Check the risk
DL 3707: SEA → SFO
Scheduled to leave Seattle at 1:40 p.m. local time, operated by SkyWest as OO 3707. Over the past year it arrived on time 68% of the time (325 flights), worse than other DL flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 57% |
| Tuesday | 43 | 77% |
| Wednesday | 43 | 79% |
| Thursday | 50 | 54% |
| Friday | 50 | 66% |
| Saturday | 39 | 77% |
| Sunday | 49 | 69% |
Why it was late
All flights SEA → SFO · Connecting off DL 3707? Check the risk
Questions
How often is DL 3707 from SFO to SEA late?
Delta Air Lines 3707 from San Francisco, CA to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 36% of 331 scheduled flights between September 2025 and August 2026. 1.2% were cancelled.
How often is DL 3707 from SEA to SFO late?
Delta Air Lines 3707 from Seattle, WA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 32% of 325 scheduled flights between September 2025 and August 2026. 1.2% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.