UA4518 TYS → ORD

United Airlines · Knoxville, TN to Chicago, IL · 24 flights observed, 2026-03-05 to 2026-03-28 · 475 mi

This flight has been cancelled 13% of the time in the ingested window — notably higher than typical.

UA4518 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
62%
Median delay
+5 min
90th percentile
+122 min
Cancellation rate
13%

How often is UA4518 on time?

Across 24 flights on TYS → ORD from 2026-03-05 to 2026-03-28, UA4518 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +122 min or later. 13% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1362%
16-30 min210%
31-60 min210%
61-120 min15%
2+ hrs314%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032162%+40 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue250%
Wed367%
Thu450%
Fri367%
Sat450%
Sun2100%

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