UA5503 OKC → IAH

United Airlines · Oklahoma City, OK to Houston, TX · 77 flights observed, 2026-03-05 to 2026-05-20 · 395 mi

UA5503 covers more than one route in the data window — the stats below are for OKC → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
80%
Median delay
-4 min
90th percentile
+36 min
Cancellation rate
1%

How often is UA5503 on time?

Across 77 flights on OKC → IAH from 2026-03-05 to 2026-05-20, UA5503 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +36 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time6180%
16-30 min68%
31-60 min45%
61-120 min23%
2+ hrs34%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032681%+4 min
2026-043083%+15 min
2026-052075%+9 min

Performance by day of week

DayFlightsOn-time
Mon10100%
Tue1173%
Wed1182%
Thu1173%
Fri1191%
Sat1173%
Sun1173%

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