UA4570 ORD → HSV

United Airlines · Chicago, IL to Huntsville, AL · 41 flights observed, 2026-05-21 to 2026-06-30 · 510 mi

This flight's reliability varies a lot by day of week — 83% on-time on Mondays vs. 33% on Saturdays.

UA4570 covers more than one route in the data window — the stats below are for ORD → HSV, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-13 min
90th percentile
+47 min
Cancellation rate
0%

How often is UA4570 on time?

Across 41 flights on ORD → HSV from 2026-05-21 to 2026-06-30, UA4570 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +47 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2971%
16-30 min512%
31-60 min512%
61-120 min12%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051173%+37 min
2026-063070%-2 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue683%
Wed560%
Thu667%
Fri683%
Sat633%
Sun683%

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