Is UA1434 delayed?
No — UA1434 landed in Dulles 18 min early, at 10:55 on Sep 29 (as of Sep 29, 14:55 UTC).
Usually on time: arrived within 15 min of schedule on 35 of the last 40 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
18 min early
Official source · Updated
Departure
Jacksonville
JAX
Actual
Scheduled 09:36
Sep 29
Arrival
Dulles
IAD
Actual
Scheduled 11:14
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Market settled: On time.
Think UA1434 runs late today? Delayed is trading at 18¢ — pays out x5.42.
Will United Airlines UA 1434 from Dulles to San Francisco arrive on time, be delayed, or be cancelled on Sep 30?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
23 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Dulles
IAD
Scheduled
Not available
Arrival
San Francisco
SFO
Estimated
Scheduled 15:33
Sep 29
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
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.
Also sold as NZ9175, ET1358, VA8389
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 18 min early
Jacksonville → Dulles
- 29 min early
Dulles → San Francisco
- 15 min early
Dulles → San Francisco
- 10 min early
Jacksonville → Dulles
- 11 min early
Dulles → San Francisco
Is UA1434 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
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
- 14 of 109
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Jacksonville | Dulles | -18 | |
| Sep 28, 2026Arrived | Dulles | San Francisco | -29 | |
| Sep 27, 2026Arrived | Dulles | San Francisco | -15 | |
| Sep 27, 2026Arrived | Jacksonville | Dulles | -10 | |
| Sep 26, 2026Arrived | Dulles | San Francisco | -11 | |
| Sep 26, 2026Arrived | Jacksonville | Dulles | -3 | |
| Sep 25, 2026Arrived | Dulles | San Francisco | -13 | |
| Sep 25, 2026Arrived | Jacksonville | Dulles | -11 | |
| Sep 24, 2026Arrived | Dulles | San Francisco | 5 | |
| Sep 24, 2026Arrived | Jacksonville | Dulles | 73 | |
| Sep 23, 2026Arrived | Dulles | San Francisco | 11 | |
| Sep 22, 2026Arrived | Dulles | San Francisco | 6 | |
| Sep 21, 2026Arrived | Dulles | San Francisco | 14 | |
| Sep 20, 2026Arrived | Dulles | San Francisco | -14 | |
| Sep 19, 2026Arrived | Dulles | San Francisco | 9 | |
| Sep 19, 2026Arrived | Jacksonville | Dulles | 77 | |
| Sep 18, 2026Arrived | Dulles | San Francisco | 2 | |
| Sep 18, 2026Arrived | Jacksonville | Dulles | -1 | |
| Sep 17, 2026Arrived | Dulles | San Francisco | 13 | |
| Sep 16, 2026Arrived | Dulles | San Francisco | 2 | |
| Sep 15, 2026Arrived | Dulles | San Francisco | -15 | |
| Sep 14, 2026Arrived | Dulles | San Francisco | -7 | |
| Sep 13, 2026Arrived | Dulles | San Francisco | 24 | |
| Sep 12, 2026Arrived | Dulles | San Francisco | -1 | |
| Sep 12, 2026Arrived | Jacksonville | Dulles | -6 | |
| Sep 11, 2026Arrived | Dulles | San Francisco | -14 | |
| Sep 11, 2026Arrived | Jacksonville | Dulles | 0 | |
| Sep 10, 2026Arrived | Dulles | San Francisco | -5 | |
| Sep 9, 2026Arrived | Dulles | San Francisco | -13 | |
| Sep 8, 2026Arrived | Dulles | San Francisco | -22 | |
| Sep 7, 2026Arrived | Dulles | San Francisco | -35 | |
| Sep 6, 2026Arrived | Dulles | San Francisco | -10 | |
| Sep 5, 2026Arrived | Dulles | San Francisco | 19 | |
| Sep 5, 2026Arrived | Jacksonville | Dulles | -20 | |
| Sep 4, 2026Arrived | Dulles | San Francisco | -11 | |
| Sep 4, 2026Arrived | Jacksonville | Dulles | 46 | |
| Sep 3, 2026Arrived | Dulles | San Francisco | 6 | |
| Sep 2, 2026Arrived | Dulles | San Francisco | -10 | |
| Sep 1, 2026Arrived | Dulles | San Francisco | -30 | |
| Aug 31, 2026Arrived | Dulles | San Francisco | -7 |
Email me if UA1434 runs late
We email you if your next UA1434 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.