ON TIMEBOARD

UA 6303 on time

United Airlines 6303: El Paso to Houston at 5:45 a.m. (past 12 months)

On time
90%
364 flights · likely 87–93%
Cancelled
0.5%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+98 min
average delay
Similar flights
90%
UA, same route & hour

About 1 in 10 UA 6303 flights from El Paso arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.5% were cancelled. The typical flight landed 7 minutes early.

UA 6303: ELP → IAH

Scheduled to leave El Paso at 5:45 a.m. local time, operated by Mesa Airlines as YV 6303. Over the past year it arrived on time 90% of the time (364 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 90% on time (31 flights)90OctNov 2025: 90% on time (30 flights)90NovDec 2025: 94% on time (31 flights)94DecJan 2026: 97% on time (31 flights)97JanFeb 2026: 93% on time (27 flights)93FebMar 2026: 77% on time (31 flights)77MarApr 2026: 93% on time (30 flights)93AprMay 2026: 81% on time (31 flights)81MayJun 2026: 87% on time (30 flights)87JunJul 2026: 97% on time (31 flights)97JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5389%
Tuesday5292%
Wednesday5190%
Thursday5292%
Friday5285%
Saturday5294%
Sunday5290%

Why it was late

Air traffic & airport (NAS) 35%Severe weather 33%Late inbound plane 18%Airline (crew, maintenance, ops) 15%

All flights ELP → IAH · Connecting off UA 6303? Check the risk

Questions

How often is UA 6303 from ELP to IAH late?

United Airlines 6303 from El Paso, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 10% of 364 scheduled flights between September 2025 and August 2026. 0.5% 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.