ON TIMEBOARD

UA 537 on time

United Airlines 537: Memphis to Houston at 6:15 a.m. (past 12 months)

On time
84%
179 flights · likely 78–89%
Cancelled
1.1%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+57 min
average delay
Similar flights
82%
UA, same route & hour

About 1 in 6 UA 537 flights from Memphis arrived 15+ minutes late, diverted or cancelled over the past year (16%); 1.1% were cancelled. The typical flight landed 10 minutes early.

UA 537: MEM → IAH

Scheduled to leave Memphis at 6:15 a.m. local time. Over the past year it arrived on time 84% of the time (179 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%Feb 2026: 82% on time (17 flights)82FebMar 2026: 68% on time (31 flights)68MarApr 2026: 93% on time (30 flights)93AprMay 2026: 81% on time (31 flights)81MayJun 2026: 83% on time (30 flights)83JunJul 2026: 93% on time (30 flights)93JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday2685%
Tuesday2592%
Wednesday2580%
Thursday2696%
Friday2685%
Saturday2677%
Sunday2576%

Why it was late

Air traffic & airport (NAS) 55%Airline (crew, maintenance, ops) 45%

All flights MEM → IAH · Connecting off UA 537? Check the risk

Questions

How often is UA 537 from MEM to IAH late?

United Airlines 537 from Memphis, TN to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 16% of 179 scheduled flights between September 2025 and August 2026. 1.1% 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.