ON TIMEBOARD

UA 703 on time

United Airlines 703: Denver to Billings at 11:45 a.m.; Los Angeles to Denver at 7:00 a.m. (past 12 months). Figures below the title are for DEN → BIL, its busiest leg

On time
80%
324 flights · likely 75–84%
Cancelled
0.0%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+54 min
average delay
Similar flights
81%
UA, same route & hour

About 1 in 5 UA 703 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.0% were cancelled. The typical flight landed 7 minutes early.

UA 703: DEN → BIL

Scheduled to leave Denver at 11:45 a.m. local time. Over the past year it arrived on time 80% of the time (324 flights), in line with other UA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: too few flights (13 flights)AugSep 2025: 73% on time (30 flights)73SepOct 2025: 88% on time (25 flights)88OctDec 2025: 90% on time (30 flights)90DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 58% on time (31 flights)58MarApr 2026: 97% on time (30 flights)97AprMay 2026: 81% on time (31 flights)81MayJun 2026: 67% on time (30 flights)67JunJul 2026: 74% on time (31 flights)74JulAug 2026: 89% on time (27 flights)89Aug

By day of week

DayFlightsOn time
Monday4779%
Tuesday4781%
Wednesday4791%
Thursday4683%
Friday4674%
Saturday4670%
Sunday4580%

Why it was late

Late inbound plane 53%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 13%Severe weather 3%

All flights DEN → BIL · Connecting off UA 703? Check the risk

UA 703: LAX → DEN

Scheduled to leave Los Angeles at 7:00 a.m. local time. Over the past year it arrived on time 91% of the time (159 flights), in line with other UA flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: 85% on time (27 flights)85MarApr 2026: 93% on time (30 flights)93AprMay 2026: 86% on time (29 flights)86MayJun 2026: 100% on time (26 flights)100JunJul 2026: 85% on time (27 flights)85JulAug 2026: 100% on time (20 flights)100Aug

By day of week

DayFlightsOn time
Monday2692%
Tuesday2291%
Wednesday2282%
Thursday2696%
Friday2688%
Saturday11—
Sunday26100%

Why it was late

Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 32%Late inbound plane 31%

All flights LAX → DEN · Connecting off UA 703? Check the risk

Questions

How often is UA 703 from DEN to BIL late?

United Airlines 703 from Denver, CO to Billings, MT arrived 15 or more minutes late, was diverted or was cancelled on 20% of 324 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is UA 703 from LAX to DEN late?

United Airlines 703 from Los Angeles, CA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 9% of 159 scheduled flights between September 2025 and August 2026. 0.0% 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.