ON TIMEBOARD

UA 5290 on time

United Airlines 5290: Chicago to Boise at 7:45 p.m. (past 12 months)

On time
61%
266 flights · likely 55–67%
Cancelled
5.6%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+83 min
average delay
Similar flights
58%
UA, same route & hour

About 1 in 3 UA 5290 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (39%); 5.6% were cancelled. The typical flight landed 1 minutes late.

UA 5290: ORD → BOI

Scheduled to leave Chicago at 7:45 p.m. local time, operated by SkyWest as OO 5290. Over the past year it arrived on time 61% of the time (266 flights), in line with other UA flights on the route at that hour (58%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Chicago to Boise (100% of days). United Airlines's last ORD–BOI flight was cancelled 4.1% of the time, against 0.3% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:40 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 88% on time (24 flights)88SepOct 2025: too few flights (6 flights)OctNov 2025: 66% on time (29 flights)66NovDec 2025: 39% on time (31 flights)39DecJan 2026: too few flights (5 flights)JanFeb 2026: too few flights (10 flights)FebMar 2026: 45% on time (29 flights)45MarApr 2026: 59% on time (29 flights)59AprMay 2026: too few flights (11 flights)MayJun 2026: 53% on time (30 flights)53JunJul 2026: 71% on time (31 flights)71JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday4159%
Tuesday3669%
Wednesday3661%
Thursday3861%
Friday3946%
Saturday3667%
Sunday4065%

Why it was late

Airline (crew, maintenance, ops) 44%Late inbound plane 29%Air traffic & airport (NAS) 22%Severe weather 4%

All flights ORD → BOI · Connecting off UA 5290? Check the risk

Questions

How often is UA 5290 from ORD to BOI late?

United Airlines 5290 from Chicago, IL to Boise, ID arrived 15 or more minutes late, was diverted or was cancelled on 39% of 266 scheduled flights between September 2025 and August 2026. 5.6% 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.