UA4529 TYS → ORD

United Airlines · Knoxville, TN to Chicago, IL · 25 flights observed, 2026-01-08 to 2026-02-09 · 475 mi

This flight's reliability varies a lot by day of week — 80% on-time on Mondays vs. 40% on Fridays.

UA4529 covers more than one route in the data window — the stats below are for TYS → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
0 min
90th percentile
+83 min
Cancellation rate
4%

How often is UA4529 on time?

Across 25 flights on TYS → ORD from 2026-01-08 to 2026-02-09, UA4529 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +83 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1771%
16-30 min00%
31-60 min00%
61-120 min521%
2+ hrs28%

Performance by month

MonthFlightsOn-timeAvg delay
2026-011765%+51 min
2026-02786%+6 min

Performance by day of week

DayFlightsOn-time
Mon580%
TueNo data—
WedNo data—
Thu580%
Fri540%
Sat475%
Sun580%

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