ON TIMEBOARD

UA 4789 on time

United Airlines 4789: Chicago to Fargo at 7:45 p.m. (past 12 months)

On time
46%
139 flights · likely 38–54%
Cancelled
5.8%
of scheduled flights
Typical arrival
+16 min
median vs schedule
When late
+87 min
average delay
Similar flights
49%
UA, same route & hour

About 5 in 10 UA 4789 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (54%); 5.8% were cancelled. The typical flight landed 16 minutes late.

UA 4789: ORD → FAR

Scheduled to leave Chicago at 7:45 p.m. local time, operated by SkyWest as OO 4789. Over the past year it arrived on time 46% of the time (139 flights), in line with other UA flights on the route at that hour (49%). Last seen in the data Aug 10, 2026.

Usually United Airlines's last flight of the day from Chicago to Fargo (100% of days). United Airlines's last ORD–FAR flight was cancelled 5.5% of the time, against 3.3% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:45 a.m. the next morning.

Month by month

20%60%100%May 2025: 73% on time (30 flights)73MayJun 2025: 32% on time (22 flights)32JunJul 2025: 55% on time (29 flights)55JulAug 2025: 58% on time (26 flights)58AugSep 2025: 76% on time (21 flights)76SepOct 2025: too few flights (6 flights)OctNov 2025: 48% on time (29 flights)48NovDec 2025: 26% on time (31 flights)26DecJan 2026: too few flights (5 flights)JanJun 2026: too few flights (6 flights)JunJul 2026: 42% on time (31 flights)42JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday2232%
Tuesday2060%
Wednesday2050%
Thursday19—
Friday2050%
Saturday17—
Sunday2143%

Why it was late

Late inbound plane 40%Airline (crew, maintenance, ops) 35%Severe weather 13%Air traffic & airport (NAS) 12%

All flights ORD → FAR · Connecting off UA 4789? Check the risk

Questions

How often is UA 4789 from ORD to FAR late?

United Airlines 4789 from Chicago, IL to Fargo, ND arrived 15 or more minutes late, was diverted or was cancelled on 54% of 139 scheduled flights between September 2025 and August 2026. 5.8% 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.