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Is DL3953 usually on time? Seattle to Portland
Delta Air Lines flight 3953, SEA to PDX. The same number also flies Portland to Seattle; the figures below are for the Seattle to Portland leg.
Window: last 90 days, about 180 flights observed. Last refreshed: 2026-10-07.
On time
~90%
within 15 min
Typical arrival
on time
median, rounded
Worst 1 in 10
about 5 min
late or worse
Cancelled
none in the window
over the window
What we have seen
- Over the last 90 days, about 90% of DL3953 arrivals from Seattle to Portland landed within 15 minutes of schedule.
- The typical arrival was on time or early.
- One arrival in ten was about 5 minutes late or worse.
- No cancellations over the window, across about 180 flights observed.
- Usual aircraft: Embraer 175 (long wing).
These describe the last 90 days. They are not a forecast for any one departure.
Related
Frequently asked
- Is DL3953 usually on time?
- Over the last 90 days, about 90% of DL3953 arrivals from Seattle to Portland landed within 15 minutes of schedule. The typical arrival was on time or early.
- How late does DL3953 get?
- One arrival in ten was about 5 minutes late or worse.
- How often is DL3953 cancelled?
- No cancellations over the window, across about 180 flights observed.
- What aircraft flies DL3953?
- DL3953 has most often been operated by a Embraer 175 (long wing) over the last 90 days.
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