United Airlines
Is UA4521 delayed?
No, UA4521 landed in Greenville 9 min early, at 09:38 on Nov 14 (as of Nov 14, 14:38 UTC).
Usually on time: arrived within 15 min of schedule on 33 of the last 44 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
9 min early
Official source · Updated
Departure
Chicago
ORD
Actual
Scheduled 07:12
Nov 14
Arrival
Greenville
GSP
Actual
Scheduled 09:47
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
On schedule (1 min behind)
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Greenville
GSP
Actual
Scheduled 10:26
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
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.
- 9 min early
Chicago → Greenville
- 12 min early
Greenville → Dulles
- 8 min early
Chicago → Greenville
- On schedule (4 min behind)
Greenville → Dulles
- 40 min early
Chicago → Greenville
Is UA4521 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
- 64 of 156
- Cancelled today
- 132
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 14, 2026Arrived | Chicago | Greenville | -9 | |
| Nov 13, 2026Arrived | Greenville | Dulles | -12 | |
| Nov 13, 2026Arrived | Chicago | Greenville | -8 | |
| Nov 12, 2026Arrived | Greenville | Dulles | 4 | |
| Nov 12, 2026Arrived | Chicago | Greenville | -40 | |
| Nov 11, 2026Arrived | Greenville | Dulles | -16 | |
| Nov 11, 2026Arrived | Chicago | Greenville | -27 | |
| Nov 10, 2026Arrived | Greenville | Dulles | -17 | |
| Nov 10, 2026Arrived | Chicago | Greenville | -33 | |
| Nov 9, 2026Arrived | Greenville | Dulles | 52 | |
| Nov 8, 2026Arrived | Greenville | Dulles | 31 | |
| Nov 8, 2026Arrived | Chicago | Greenville | 24 | |
| Nov 7, 2026Arrived | Greenville | Dulles | -23 | |
| Nov 7, 2026Arrived | Chicago | Greenville | -14 | |
| Nov 4, 2026Arrived | Greenville | Dulles | -4 | |
| Nov 4, 2026Arrived | Chicago | Greenville | -13 | |
| Nov 3, 2026Arrived | Greenville | Dulles | 0 | |
| Nov 3, 2026Arrived | Chicago | Greenville | 115 | |
| Nov 2, 2026Arrived | Greenville | Dulles | 436 | |
| Nov 2, 2026Arrived | Chicago | Greenville | -13 | |
| Nov 1, 2026Arrived | Greenville | Dulles | 63 | |
| Nov 1, 2026Arrived | Chicago | Greenville | 98 | |
| Oct 31, 2026Arrived | Greenville | Dulles | -18 | |
| Oct 31, 2026Arrived | Chicago | Greenville | -26 | |
| Oct 30, 2026Arrived | Greenville | Dulles | -14 | |
| Oct 30, 2026Arrived | Chicago | Greenville | -25 | |
| Oct 29, 2026Arrived | Greenville | Dulles | -8 | |
| Oct 29, 2026Arrived | Chicago | Greenville | -23 | |
| Oct 27, 2026Arrived | Greenville | Dulles | -23 | |
| Oct 27, 2026Arrived | Chicago | Greenville | -23 | |
| Oct 26, 2026Arrived | Greenville | Dulles | -6 | |
| Oct 26, 2026Arrived | Chicago | Greenville | -25 | |
| Oct 25, 2026Arrived | Greenville | Dulles | -2 | |
| Oct 25, 2026Arrived | Chicago | Greenville | -17 | |
| Oct 24, 2026Arrived | Dulles | Providence | -5 | |
| Oct 23, 2026Arrived | Dulles | Providence | -21 | |
| Oct 22, 2026Arrived | Dulles | Providence | 29 | |
| Oct 21, 2026Arrived | Dulles | Providence | 241 | |
| Oct 20, 2026Arrived | Dulles | Providence | 5 | |
| Oct 19, 2026Arrived | Dulles | Providence | -1 | |
| Oct 18, 2026Arrived | Dulles | Providence | 30 | |
| Oct 17, 2026Arrived | Dulles | Providence | 8 | |
| Oct 16, 2026Arrived | Dulles | Providence | -10 | |
| Oct 15, 2026Arrived | Dulles | Providence | 42 |