ON TIMEBOARD

UA 4808 on time

United Airlines 4808: Peoria to Chicago at 5:19 p.m. (past 12 months)

On time
40%
293 flights · likely 34–45%
Cancelled
4.8%
of scheduled flights
Typical arrival
+21 min
median vs schedule
When late
+72 min
average delay
Similar flights
41%
UA, same route & hour

About 6 in 10 UA 4808 flights from Peoria arrived 15+ minutes late, diverted or cancelled over the past year (60%); 4.8% were cancelled. The typical flight landed 21 minutes late.

UA 4808: PIA → ORD

Scheduled to leave Peoria at 5:19 p.m. local time, operated by SkyWest as OO 4808. Over the past year it arrived on time 40% of the time (293 flights), in line with other UA flights on the route at that hour (41%). Last seen in the data Aug 10, 2026.

Usually United Airlines's last flight of the day from Peoria to Chicago (88% of days). United Airlines's last PIA–ORD flight was cancelled 6.6% of the time, against 3.5% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:30 a.m. the next morning.

Month by month

0%50%100%Sep 2025: 35% on time (26 flights)35SepOct 2025: 37% on time (27 flights)37OctNov 2025: 38% on time (29 flights)38NovDec 2025: 34% on time (29 flights)34DecJan 2026: 30% on time (27 flights)30JanFeb 2026: 59% on time (27 flights)59FebMar 2026: 32% on time (31 flights)32MarApr 2026: 37% on time (30 flights)37AprMay 2026: 15% on time (20 flights)15MayJun 2026: too few flights (6 flights)JunJul 2026: 65% on time (31 flights)65JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday4544%
Tuesday4450%
Wednesday4439%
Thursday4340%
Friday4441%
Saturday2952%
Sunday4416%

Why it was late

Late inbound plane 41%Air traffic & airport (NAS) 28%Airline (crew, maintenance, ops) 22%Severe weather 8%

All flights PIA → ORD · Connecting off UA 4808? Check the risk

Questions

How often is UA 4808 from PIA to ORD late?

United Airlines 4808 from Peoria, IL to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 60% of 293 scheduled flights between September 2025 and August 2026. 4.8% 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.