United Airlines
Is UA3749 delayed?
No — UA3749 landed in Dulles 43 min early, at 18:52 on Sep 25 (as of Sep 25, 22:52 UTC).
43 min early
Official source · Updated
Departure
Jacksonville
JAX
Actual
Scheduled 17:55
Sep 25
Arrival
Dulles
IAD
Actual
Scheduled 19:36
Sep 25
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 43 min early
Jacksonville → Dulles
- 73 min early
Jacksonville → Houston
Is UA3749 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Dulles (IAD) departures
- Left more than 15 min late
- 0 of 0
- Cancelled today
- 2
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 25, 2026Arrived | Jacksonville | Dulles | -43 | |
| Sep 11, 2026Arrived | Jacksonville | Houston | -73 |
Email me if UA3749 runs late
We email you if your next UA3749 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.