ON TIMEBOARD

UA 5120 on time

United Airlines 5120: Denver to Kearney at 12:20 p.m. (past 12 months)

On time
80%
169 flights · likely 74–86%
Cancelled
0.6%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+48 min
average delay
Similar flights
82%
UA, same route & hour

About 1 in 5 UA 5120 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.6% were cancelled. The typical flight landed 8 minutes early.

UA 5120: DEN → EAR

Scheduled to leave Denver at 12:20 p.m. local time, operated by SkyWest as OO 5120. Over the past year it arrived on time 80% of the time (169 flights), in line with other UA flights on the route at that hour (82%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%May 2025: 80% on time (15 flights)80MayAug 2025: too few flights (9 flights)AugSep 2025: 90% on time (21 flights)90SepOct 2025: 91% on time (22 flights)91OctNov 2025: 77% on time (22 flights)77NovDec 2025: too few flights (11 flights)DecJan 2026: 61% on time (18 flights)61JanFeb 2026: 90% on time (20 flights)90FebMar 2026: 70% on time (20 flights)70MarJun 2026: too few flights (5 flights)JunJul 2026: 86% on time (22 flights)86JulAug 2026: too few flights (8 flights)Aug

By day of week

DayFlightsOn time
Monday3485%
Thursday3471%
Friday3479%
Saturday3485%
Sunday3382%

Why it was late

Airline (crew, maintenance, ops) 47%Late inbound plane 29%Air traffic & airport (NAS) 16%Severe weather 7%Security 1%

All flights DEN → EAR · Connecting off UA 5120? Check the risk

Questions

How often is UA 5120 from DEN to EAR late?

United Airlines 5120 from Denver, CO to Kearney, NE arrived 15 or more minutes late, was diverted or was cancelled on 20% of 169 scheduled flights between September 2025 and August 2026. 0.6% 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.