Is DL3818 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (UTC)
25 min late
Official source · Updated
Departure
Portland
PDX
Actual
Sep 17
Arrival
Seattle
SEA
Actual
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Service date: · Scheduled departure date (America/Los_Angeles)
21 min late
Official source · Updated
Departure
Seattle
SEA
Actual
Sep 17
Arrival
Portland
PDX
Actual
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 25 min late
PDX → SEA
- 21 min late
SEA → PDX
- 20 min late
PDX → SEA
- 36 min early
SEA → PDX
- 29 min late
PDX → SEA
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 28
- Arrivals over 15 minutes late
- 11
- Observed cancellations
- 0
- Observed occurrences
- 38
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 17, 2026Arrived | Portland | Seattle | 25 | |
| Sep 17, 2026Arrived | Seattle | Portland | 21 | |
| Sep 16, 2026Arrived | Portland | Seattle | 20 | |
| Sep 16, 2026Arrived | Seattle | Portland | -36 | |
| Sep 15, 2026Arrived | Portland | Seattle | 29 | |
| Sep 14, 2026Arrived | Portland | Seattle | 2 | |
| Sep 12, 2026Arrived | Portland | Seattle | 18 | |
| Sep 12, 2026Arrived | Seattle | Portland | -11 | |
| Sep 11, 2026Arrived | Portland | Seattle | 5 | |
| Sep 11, 2026Arrived | Seattle | Portland | -10 | |
| Sep 10, 2026Arrived | Portland | Seattle | 14 | |
| Sep 10, 2026Arrived | Seattle | Portland | 6 | |
| Sep 9, 2026Arrived | Portland | Seattle | 44 | |
| Sep 9, 2026Arrived | Seattle | Portland | 57 | |
| Sep 8, 2026Arrived | Portland | Seattle | 0 | |
| Sep 8, 2026Arrived | Seattle | Portland | -36 | |
| Sep 7, 2026Arrived | Portland | Seattle | -2 | |
| Sep 7, 2026Arrived | Seattle | Portland | -14 | |
| Sep 6, 2026Arrived | Portland | Seattle | 6 | |
| Sep 6, 2026Arrived | Seattle | Portland | -26 | |
| Sep 5, 2026Arrived | Portland | Seattle | 15 | |
| Sep 5, 2026Arrived | Seattle | Portland | -17 | |
| Sep 4, 2026Arrived | Portland | Seattle | 24 | |
| Sep 4, 2026Arrived | Seattle | Portland | 41 | |
| Aug 30, 2026Arrived | Seattle | Portland | -11 | |
| Aug 29, 2026Arrived | Seattle | Portland | -22 | |
| Aug 25, 2026Arrived | Seattle | Portland | -8 | |
| Aug 24, 2026Arrived | Seattle | Portland | 38 |