Is DL474 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
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Departure
Seattle
SEA
Scheduled
Sep 16
Arrival
Boston
BOS
Scheduled
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
View this flight’s market
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.
- 8 min early
SEA → BOS
- 9 min late
SEA → BOS
- 7 min late
SEA → BOS
- <1 min early
SEA → BOS
- 4 min early
SEA → BOS
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 16
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 2
- Observed occurrences
- 20
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 | Boston | -8 | |
| Sep 14, 2026Arrived | Seattle | Boston | 9 | |
| Sep 13, 2026Arrived | Seattle | Boston | 7 | |
| Sep 7, 2026Arrived | Seattle | Boston | 0 | |
| Sep 4, 2026Arrived | Seattle | Boston | -4 | |
| Sep 3, 2026Arrived | Seattle | Boston | 83 | |
| Sep 2, 2026Cancelled | Seattle | Boston | Not available | Not available |
| Aug 29, 2026Cancelled | Seattle | Boston | Not available | Not available |
| Aug 28, 2026Arrived | Seattle | Boston | -15 | |
| Aug 27, 2026Arrived | Seattle | Boston | -6 | |
| Aug 26, 2026Arrived | Seattle | Boston | -3 | |
| Aug 26, 2026Arrived | Seattle | Boston | -6 | |
| Aug 25, 2026Arrived | Seattle | Boston | 4 | |
| Aug 24, 2026Arrived | Seattle | Boston | 22 | |
| Aug 23, 2026Arrived | Seattle | Boston | 38 | |
| Aug 19, 2026Arrived | Seattle | Boston | -17 | |
| Aug 18, 2026Arrived | Seattle | Boston | -24 | |
| Aug 17, 2026Arrived | Seattle | Boston | -5 |