ON TIMEBOARD

UA 4852 on time

United Airlines 4852: Springfield to Houston at 6:15 a.m. (past 12 months)

On time
83%
353 flights · likely 79–87%
Cancelled
0.9%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+63 min
average delay
Similar flights
83%
UA, same route & hour

About 1 in 6 UA 4852 flights from Springfield arrived 15+ minutes late, diverted or cancelled over the past year (17%); 0.9% were cancelled. The typical flight landed 9 minutes early.

UA 4852: SGF → IAH

Scheduled to leave Springfield at 6:15 a.m. local time, operated by CommutAir as C5 4852. Over the past year it arrived on time 83% of the time (353 flights), in line with other UA flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 85% on time (26 flights)85SepOct 2025: 97% on time (31 flights)97OctNov 2025: 93% on time (30 flights)93NovDec 2025: 84% on time (31 flights)84DecJan 2026: 81% on time (27 flights)81JanFeb 2026: 83% on time (24 flights)83FebMar 2026: 87% on time (31 flights)87MarApr 2026: 87% on time (30 flights)87AprMay 2026: 61% on time (31 flights)61MayJun 2026: 70% on time (30 flights)70JunJul 2026: 77% on time (31 flights)77JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday5377%
Tuesday5283%
Wednesday4093%
Thursday5290%
Friday5281%
Saturday5281%
Sunday5279%

Why it was late

Airline (crew, maintenance, ops) 42%Late inbound plane 31%Air traffic & airport (NAS) 25%Severe weather 2%

All flights SGF → IAH · Connecting off UA 4852? Check the risk

Questions

How often is UA 4852 from SGF to IAH late?

United Airlines 4852 from Springfield, MO to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 17% of 353 scheduled flights between September 2025 and August 2026. 0.9% 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.