United Airlines
Is UA3931 delayed?
No — UA3931 landed in Chicago 24 min early, at 20:23 on Sep 29 (as of Sep 30, 03:46 UTC). Over its last 9 recorded arrivals, 1 landed more than 15 min late.
24 min early
Official source · Updated
Departure
Newark
EWR
Scheduled
Sep 29
Arrival
Chicago
ORD
Actual
Scheduled 20:47
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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 early
Newark → Chicago
- 17 min late
Palm Springs → Denver
- 22 min early
Houston → San Francisco
- 29 min early
Chicago → Buffalo
- 22 min early
Tulsa → Denver
Is UA3931 usually late?
Observation window: Sep 1, 2026 – Oct 1, 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
Newark (EWR) departures
- Left more than 15 min late
- 7 of 81
- Cancelled today
- 6
Chicago (ORD) departures
- Left more than 15 min late
- 171 of 213
- Cancelled today
- 8
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Newark | Chicago | -24 | |
| Sep 25, 2026Arrived | Palm Springs | Denver | 17 | |
| Sep 23, 2026Arrived | Houston | San Francisco | -22 | |
| Sep 21, 2026Arrived | Chicago | Buffalo | -29 | |
| Sep 19, 2026Arrived | Tulsa | Denver | -22 | |
| Sep 16, 2026Arrived | San Francisco | Los Angeles | 8 | |
| Sep 14, 2026Arrived | Chicago | San Francisco | 7 | |
| Sep 11, 2026Cancelled | Barcelona | Newark | Not available | Not available |
| Sep 9, 2026Cancelled | Honolulu | Denver | Not available | Not available |
| Sep 9, 2026Cancelled | Lihue | Honolulu | Not available | Not available |
| Sep 9, 2026Cancelled | Denver | Lihue | Not available | Not available |
| Sep 7, 2026Arrived | Chicago | Denver | 0 | |
| Sep 5, 2026Arrived | Newark | Hartford | -8 |
Email me if UA3931 runs late
We email you if your next UA3931 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.