UA1333 IAH → ORD

United Airlines · Houston, TX to Chicago, IL · 32 flights observed, 2026-03-29 to 2026-04-29 · 925 mi

This flight's reliability varies a lot by day of week — 100% on-time on Wednesdays vs. 40% on Tuesdays.

UA1333 covers more than one route in the data window — the stats below are for IAH → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
66%
Median delay
0 min
90th percentile
+48 min
Cancellation rate
0%

How often is UA1333 on time?

Across 32 flights on IAH → ORD from 2026-03-29 to 2026-04-29, UA1333 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +48 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2166%
16-30 min619%
31-60 min39%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-03367%+14 min
2026-042966%+13 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue540%
Wed5100%
Thu425%
Fri450%
Sat4100%
Sun580%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…