UA4508 XNA → ORD

United Airlines · Fayetteville, AR to Chicago, IL · 35 flights observed, 2026-05-21 to 2026-06-24 · 522 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +68 min or later.

UA4508 covers more than one route in the data window — the stats below are for XNA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-4 min
90th percentile
+68 min
Cancellation rate
3%

How often is UA4508 on time?

Across 35 flights on XNA → ORD from 2026-05-21 to 2026-06-24, UA4508 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +68 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2471%
16-30 min26%
31-60 min39%
61-120 min412%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051173%+3 min
2026-062370%+23 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue580%
Wed560%
Thu4100%
Fri560%
Sat560%
Sun560%

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