United Airlines
Is UA4166 delayed?
UA4166 is cancelled on Nov 14.
Usually on time: arrived within 15 min of schedule on 16 of the last 18 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Allentown
ABE
Scheduled
Nov 14
Arrival
Chicago
ORD
Scheduled
Nov 14
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
- Not available
- Actual
- Not available
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Chicago
ORD
Scheduled
Nov 14
Arrival
Madison
MSN
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Also sold as NZ2004
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 23 min early
Allentown → Chicago
- 14 min early
Allentown → Chicago
- 10 min early
Allentown → Chicago
- 15 min early
Chicago → Madison
- 29 min early
Allentown → Chicago
Is UA4166 usually late?
Period: Oct 15, 2026 – Nov 14, 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Chicago (ORD) departures
- Left more than 15 min late
- 68 of 164
- Cancelled today
- 135
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 14, 2026Cancelled | Allentown | Chicago | Not available | Not available |
| Nov 11, 2026Arrived | Allentown | Chicago | -23 | |
| Nov 10, 2026Arrived | Allentown | Chicago | -14 | |
| Nov 9, 2026Arrived | Allentown | Chicago | -10 | |
| Nov 8, 2026Arrived | Chicago | Madison | -15 | |
| Nov 8, 2026Arrived | Allentown | Chicago | -29 | |
| Nov 7, 2026Arrived | Allentown | Chicago | 221 | |
| Nov 6, 2026Arrived | Chicago | Madison | 13 | |
| Nov 6, 2026Arrived | Allentown | Chicago | -27 | |
| Nov 5, 2026Arrived | Chicago | Madison | 67 | |
| Nov 5, 2026Arrived | Allentown | Chicago | -18 | |
| Nov 4, 2026Arrived | Chicago | Madison | -2 | |
| Nov 4, 2026Arrived | Allentown | Chicago | -30 | |
| Nov 3, 2026Arrived | Allentown | Chicago | Not available | |
| Nov 2, 2026Arrived | Allentown | Chicago | Not available | |
| Nov 1, 2026Arrived | Chicago | Madison | -3 | |
| Oct 31, 2026Arrived | Allentown | Chicago | Not available | |
| Oct 30, 2026Arrived | Chicago | Madison | -20 | |
| Oct 30, 2026Arrived | Allentown | Chicago | Not available | |
| Oct 29, 2026Arrived | Chicago | Madison | -28 | |
| Oct 29, 2026Arrived | Allentown | Chicago | Not available | |
| Oct 28, 2026Arrived | Chicago | Madison | -27 | |
| Oct 28, 2026Arrived | Allentown | Chicago | Not available | |
| Oct 27, 2026Arrived | Allentown | Chicago | Not available | |
| Oct 26, 2026Arrived | Chicago | Madison | -15 | |
| Oct 26, 2026Arrived | Allentown | Chicago | Not available | |
| Oct 25, 2026Arrived | Chicago | Madison | -31 |