Is UA1734 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/New_York)
Arrived
11 min early
Updated
Departure
Dulles
IAD
Actual
Scheduled 08:20
Aug 22
Arrival
Los Angeles
LAX
Actual
Scheduled 10:52
Aug 22
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Service date: · Scheduled departure date (America/New_York)
Arrived
12 min early
Updated
Departure
Boston
BOS
Actual
Scheduled 05:45
Aug 22
Arrival
Dulles
IAD
Actual
Scheduled 07:20
Aug 22
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 24 min late
IAD → LAX
- 14 min early
BOS → IAD
- 23 min early
IAD → LAX
- 15 min early
BOS → IAD
- 16 min early
IAD → LAX
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 50
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 51
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 18, 2026Arrived | Dulles | Los Angeles | 24 | |
| Sep 18, 2026Arrived | Boston | Dulles | -14 | |
| Sep 17, 2026Arrived | Dulles | Los Angeles | -23 | |
| Sep 17, 2026Arrived | Boston | Dulles | -15 | |
| Sep 16, 2026Arrived | Dulles | Los Angeles | -16 | |
| Sep 16, 2026Arrived | Boston | Dulles | -19 | |
| Sep 15, 2026Arrived | Dulles | Los Angeles | -31 | |
| Sep 15, 2026Arrived | Boston | Dulles | -10 | |
| Sep 14, 2026Arrived | Boston | Dulles | -3 | |
| Sep 13, 2026Arrived | Boston | Dulles | -6 | |
| Sep 12, 2026Arrived | Boston | Dulles | -18 | |
| Sep 11, 2026Arrived | Dulles | Los Angeles | -25 | |
| Sep 11, 2026Arrived | Boston | Dulles | 2 | |
| Sep 10, 2026Arrived | Dulles | Los Angeles | -9 | |
| Sep 10, 2026Arrived | Boston | Dulles | -17 | |
| Sep 9, 2026Arrived | Dulles | Los Angeles | -29 | |
| Sep 9, 2026Arrived | Boston | Dulles | -9 | |
| Sep 8, 2026Arrived | Dulles | Los Angeles | -37 | |
| Sep 8, 2026Arrived | Boston | Dulles | -11 | |
| Sep 7, 2026Arrived | Dulles | Los Angeles | -39 | |
| Sep 7, 2026Arrived | Boston | Dulles | -9 | |
| Sep 6, 2026Arrived | Dulles | Los Angeles | -36 | |
| Sep 6, 2026Arrived | Boston | Dulles | -9 | |
| Sep 5, 2026Arrived | Dulles | Los Angeles | 118 | |
| Sep 5, 2026Arrived | Boston | Dulles | -6 | |
| Sep 4, 2026Arrived | Dulles | Los Angeles | -19 | |
| Sep 4, 2026Arrived | Boston | Dulles | 0 | |
| Sep 3, 2026Arrived | Dulles | Los Angeles | -35 | |
| Sep 3, 2026Arrived | Boston | Dulles | 9 | |
| Sep 2, 2026Arrived | Boston | Dulles | -17 | |
| Sep 1, 2026Arrived | Boston | Dulles | -23 | |
| Aug 31, 2026Arrived | Dulles | Los Angeles | -29 | |
| Aug 31, 2026Arrived | Boston | Dulles | -13 | |
| Aug 30, 2026Arrived | Dulles | Los Angeles | -30 | |
| Aug 30, 2026Arrived | Boston | Dulles | -19 | |
| Aug 29, 2026Arrived | Dulles | Los Angeles | -33 | |
| Aug 29, 2026Arrived | Boston | Dulles | -15 | |
| Aug 28, 2026Arrived | Dulles | Los Angeles | -28 | |
| Aug 28, 2026Arrived | Boston | Dulles | -12 | |
| Aug 27, 2026Arrived | Boston | Dulles | -19 | |
| Aug 26, 2026Arrived | Boston | Dulles | 11 | |
| Aug 25, 2026Arrived | Boston | Dulles | -16 | |
| Aug 24, 2026Arrived | Boston | Dulles | -6 | |
| Aug 23, 2026Arrived | Dulles | Los Angeles | -45 | |
| Aug 23, 2026Arrived | Boston | Dulles | -16 | |
| Aug 22, 2026Arrived | Dulles | Los Angeles | -11 | |
| Aug 22, 2026Arrived | Boston | Dulles | -12 | |
| Aug 21, 2026Arrived | Dulles | Los Angeles | -31 | |
| Aug 21, 2026Arrived | Boston | Dulles | -16 | |
| Aug 20, 2026Arrived | Boston | Dulles | -16 |