United Airlines
Is UA4539 delayed?
No, UA4539 landed in Greensboro 16 min early, at 10:44 on Oct 24 (as of Oct 24, 14:45 UTC). Of its last 7 arrivals, 0 landed more than 15 min late.
16 min early
Official source · Updated
Departure
Chicago
ORD
Scheduled
Oct 24
Arrival
Greensboro
GSO
Actual
Scheduled 11:00
Oct 24
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
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 16 min early
Chicago → Greensboro
- 24 min early
Chicago → Greensboro
- 24 min early
Chicago → Greensboro
- 29 min early
Chicago → Greensboro
- On schedule (15 min behind)
Chicago → Greensboro
Is UA4539 usually late?
Period: Oct 15, 2026 – Nov 14, 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. 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
- 184 of 368
- Cancelled today
- 181
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 24, 2026Arrived | Chicago | Greensboro | -16 | |
| Oct 23, 2026Arrived | Chicago | Greensboro | -24 | |
| Oct 22, 2026Arrived | Chicago | Greensboro | -24 | |
| Oct 21, 2026Arrived | Chicago | Greensboro | -29 | |
| Oct 20, 2026Arrived | Chicago | Greensboro | 15 | |
| Oct 17, 2026Arrived | Chicago | Greensboro | -8 | |
| Oct 16, 2026Arrived | Chicago | Greensboro | -12 |