Is DL3884 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
36 min early
Updated
Departure
Seattle
SEA
Actual
Scheduled 19:50
Aug 25
Arrival
Ontario
ONT
Actual
Scheduled 05:45
Aug 26
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
SEAONT
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min late
SEA → ONT
- 12 min late
SEA → ONT
- 81 min late
SEA → ONT
- 4 min early
SEA → ONT
- 5 min early
SEA → ONT
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 17
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 26
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 15, 2026Arrived | Seattle | Ontario | 4 | |
| Sep 14, 2026Arrived | Seattle | Ontario | 12 | |
| Sep 13, 2026Arrived | Seattle | Ontario | 81 | |
| Sep 12, 2026Arrived | Seattle | Ontario | -4 | |
| Sep 11, 2026Arrived | Seattle | Ontario | -5 | |
| Sep 10, 2026Arrived | Seattle | Ontario | -26 | |
| Sep 9, 2026Arrived | Seattle | Ontario | -1 | |
| Sep 8, 2026Arrived | Seattle | Ontario | 31 | |
| Sep 7, 2026Arrived | Seattle | Ontario | 116 | |
| Sep 6, 2026Arrived | Seattle | Ontario | -22 | |
| Sep 5, 2026Arrived | Seattle | Ontario | -39 | |
| Sep 4, 2026Arrived | Seattle | Ontario | -13 | |
| Aug 30, 2026Arrived | Seattle | Ontario | -14 | |
| Aug 29, 2026Arrived | Seattle | Ontario | -27 | |
| Aug 25, 2026Arrived | Seattle | Ontario | -36 | |
| Aug 24, 2026Arrived | Seattle | Ontario | -4 | |
| Aug 17, 2026Arrived | Seattle | Ontario | -7 |