Is UA3999 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
22 min early
Official source · Updated
Departure
Hartford
BDL
Actual
Scheduled 00:10
Sep 16
Arrival
Dulles
IAD
Actual
Scheduled 21:24
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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BDLIAD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 22 min early
BDL → IAD
- 13 min early
BDL → IAD
- 21 min early
BDL → IAD
- 31 min early
BDL → IAD
- 16 min early
BDL → IAD
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 13
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 16, 2026Arrived | Hartford | Dulles | -22 | |
| Sep 15, 2026Arrived | Hartford | Dulles | -13 | |
| Sep 14, 2026Arrived | Hartford | Dulles | -21 | |
| Sep 13, 2026Arrived | Hartford | Dulles | -31 | |
| Sep 12, 2026Arrived | Hartford | Dulles | -16 | |
| Sep 11, 2026Arrived | Hartford | Dulles | -12 | |
| Sep 10, 2026Arrived | Hartford | Dulles | -23 | |
| Sep 9, 2026Arrived | Hartford | Dulles | -29 | |
| Sep 7, 2026Arrived | Dulles | New York | 16 | |
| Sep 6, 2026Arrived | Dulles | New York | -14 | |
| Sep 5, 2026Arrived | Dulles | New York | -6 | |
| Sep 4, 2026Arrived | Dulles | New York | 2 | |
| Aug 28, 2026Arrived | Dulles | New York | -6 |