United Airlines
Is UA3934 delayed?
UA3934 is listed as cancelled on Sep 23. Over its last 8 recorded arrivals, 4 landed more than 15 min late.
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Chicago
ORD
Scheduled
Not available
Arrival
San Francisco
SFO
Estimated
Sep 23
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
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 35 min late
Newark → Portland
- 243 min late
Columbus → Chicago
- On schedule (<1 min behind)
Fort Lauderdale → Dulles
- On schedule (4 min behind)
Washington → Chicago
- 27 min early
Orlando → Dulles
Flight history and details
Aug 30, 2026 — Sep 29, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 2
- Observed occurrences
- 12
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 23, 2026Cancelled | Chicago | San Francisco | Not available | Not available |
| Sep 22, 2026Arrived | Newark | Portland | 35 | |
| Sep 21, 2026Arrived | Columbus | Chicago | 243 | |
| Sep 19, 2026Arrived | Fort Lauderdale | Dulles | 0 | |
| Sep 16, 2026Arrived | Washington | Chicago | 4 | |
| Sep 10, 2026Arrived | Orlando | Dulles | -27 | |
| Sep 9, 2026Arrived | Newark | Houston | 48 | |
| Sep 8, 2026Cancelled | Honolulu | Hong Kong | Not available | Not available |
| Sep 7, 2026Arrived | San Francisco | Jackson | -4 | |
| Sep 6, 2026Arrived | Reykjavik | Chicago | 68 |