Is DL5666 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
13 min late
Official source · Updated
Departure
Boston
BOS
Actual
Scheduled 20:39
Sep 15
Arrival
Washington
DCA
Actual
Scheduled 21:56
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 13 min late
BOS → DCA
- 6 min late
BOS → DCA
- 1 min late
RIC → DCA
- 3 min early
BOS → DCA
- 20 min late
BOS → DCA
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 9
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 18
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 | Boston | Washington | 13 | |
| Sep 11, 2026Arrived | Boston | Washington | 6 | |
| Sep 4, 2026Arrived | Richmond | Washington | 1 | |
| Sep 2, 2026Arrived | Boston | Washington | -3 | |
| Sep 1, 2026Arrived | Boston | Washington | 20 | |
| Aug 29, 2026Arrived | Boston | Washington | -54 | |
| Aug 28, 2026Arrived | Boston | Washington | 33 | |
| Aug 27, 2026Arrived | Boston | Washington | 28 | |
| Aug 22, 2026Arrived | Boston | Washington | -33 |