United Airlines
Is UA4542 delayed?
UA4542 is cancelled on Nov 14.
Usually on time: arrived within 15 min of schedule on 33 of the last 37 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This update may be out of date.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
Portland
PWM
Scheduled
Nov 14
Arrival
Dulles
IAD
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
74 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Dulles
IAD
Actual
Scheduled 08:46
Nov 14
Arrival
Columbia
CAE
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
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On time
Dulles → Columbia
- 21 min early
Portland → Dulles
- On schedule (1 min behind)
Dulles → Columbia
- 16 min early
Portland → Dulles
- 15 min early
Portland → Dulles
Is UA4542 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
Dulles (IAD) departures
- Left more than 15 min late
- 17 of 46
- Cancelled today
- 28
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 14, 2026Cancelled | Portland | Dulles | Not available | Not available |
| Nov 13, 2026Arrived | Dulles | Columbia | 0 | |
| Nov 13, 2026Arrived | Portland | Dulles | -21 | |
| Nov 12, 2026Arrived | Dulles | Columbia | 1 | |
| Nov 12, 2026Arrived | Portland | Dulles | -16 | |
| Nov 11, 2026Arrived | Portland | Dulles | -15 | |
| Nov 9, 2026Arrived | Dulles | Columbia | -26 | |
| Nov 9, 2026Arrived | Portland | Dulles | -14 | |
| Nov 8, 2026Arrived | Dulles | Columbia | -3 | |
| Nov 8, 2026Arrived | Portland | Dulles | -18 | |
| Nov 7, 2026Arrived | Portland | Dulles | 3 | |
| Nov 6, 2026Arrived | Dulles | Columbia | 23 | |
| Nov 6, 2026Arrived | Portland | Dulles | -10 | |
| Nov 5, 2026Arrived | Dulles | Columbia | 20 | |
| Nov 5, 2026Arrived | Portland | Dulles | -22 | |
| Nov 4, 2026Arrived | Portland | Dulles | -30 | |
| Nov 2, 2026Arrived | Portland | Dulles | -8 | |
| Nov 1, 2026Arrived | Portland | Dulles | 17 | |
| Oct 31, 2026Arrived | Dulles | Columbia | -10 | |
| Oct 31, 2026Arrived | Portland | Dulles | -18 | |
| Oct 30, 2026Arrived | Dulles | Columbia | 1 | |
| Oct 30, 2026Arrived | Portland | Dulles | -21 | |
| Oct 29, 2026Arrived | Dulles | Columbia | -17 | |
| Oct 29, 2026Arrived | Portland | Dulles | -15 | |
| Oct 28, 2026Arrived | Portland | Dulles | -27 | |
| Oct 26, 2026Arrived | Dulles | Columbia | 3 | |
| Oct 26, 2026Arrived | Portland | Dulles | -31 | |
| Oct 25, 2026Arrived | Dulles | Columbia | 49 | |
| Oct 24, 2026Arrived | Chicago | Little Rock | -15 | |
| Oct 23, 2026Arrived | Chicago | Little Rock | -30 | |
| Oct 22, 2026Arrived | Chicago | Little Rock | -15 | |
| Oct 21, 2026Arrived | Chicago | Little Rock | 0 | |
| Oct 20, 2026Arrived | Chicago | Little Rock | 14 | |
| Oct 19, 2026Arrived | Chicago | Little Rock | -21 | |
| Oct 18, 2026Arrived | Chicago | Little Rock | -17 | |
| Oct 17, 2026Arrived | Chicago | Little Rock | 3 | |
| Oct 16, 2026Arrived | Chicago | Little Rock | -8 | |
| Oct 15, 2026Arrived | Chicago | Little Rock | 10 |