UA5577 GSO → ORD

United Airlines · Greensboro/High Point, NC to Chicago, IL · 31 flights observed, 2026-03-29 to 2026-04-29 · 589 mi

This flight's reliability varies a lot by day of week — 100% on-time on Wednesdays vs. 40% on Tuesdays.

UA5577 covers more than one route in the data window — the stats below are for GSO → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-14 min
90th percentile
+45 min
Cancellation rate
0%

How often is UA5577 on time?

Across 31 flights on GSO → ORD from 2026-03-29 to 2026-04-29, UA5577 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +45 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2477%
16-30 min26%
31-60 min310%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-03367%+123 min
2026-042879%-2 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue540%
Wed5100%
Thu450%
Fri475%
Sat4100%
Sun4100%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…