ON TIMEBOARD

UA 5321 on time

United Airlines 5321: Chicago to Asheville at 2:01 p.m. (past 12 months)

On time
71%
139 flights · likely 63–78%
Cancelled
1.4%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+82 min
average delay
Similar flights
69%
UA, same route & hour

About 1 in 3 UA 5321 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (29%); 1.4% were cancelled. The typical flight landed 0 minutes early.

UA 5321: ORD → AVL

Scheduled to leave Chicago at 2:01 p.m. local time, operated by SkyWest as OO 5321. Over the past year it arrived on time 71% of the time (139 flights), in line with other UA flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jul 2025: 68% on time (28 flights)68JulAug 2025: too few flights (13 flights)AugSep 2025: 86% on time (29 flights)86SepOct 2025: 92% on time (24 flights)92OctNov 2025: 59% on time (29 flights)59NovDec 2025: 55% on time (31 flights)55DecJan 2026: too few flights (5 flights)JanAug 2026: 67% on time (21 flights)67Aug

By day of week

DayFlightsOn time
Monday2277%
Tuesday2181%
Wednesday2167%
Thursday2070%
Friday2171%
Saturday16—
Sunday18—

Why it was late

Airline (crew, maintenance, ops) 35%Late inbound plane 30%Air traffic & airport (NAS) 29%Severe weather 5%

All flights ORD → AVL · Connecting off UA 5321? Check the risk

Questions

How often is UA 5321 from ORD to AVL late?

United Airlines 5321 from Chicago, IL to Asheville, NC arrived 15 or more minutes late, was diverted or was cancelled on 29% of 139 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.