UA5278 IAH → OKC

United Airlines · Houston, TX to Oklahoma City, OK · 286 flights observed, 2025-07-01 to 2026-06-30 · 395 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +78 min or later.

UA5278 covers more than one route in the data window — the stats below are for IAH → OKC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
-4 min
90th percentile
+78 min
Cancellation rate
2%

How often is UA5278 on time?

Across 286 flights on IAH → OKC from 2025-07-01 to 2026-06-30, UA5278 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +78 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time20272%
16-30 min155%
31-60 min249%
61-120 min269%
2+ hrs145%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073060%+23 min
2025-083165%+20 min
2025-093067%+25 min
2025-102576%+41 min
2025-123073%+22 min
2026-012979%+5 min
2026-021191%+5 min
2026-032673%+16 min
2026-042875%+3 min
2026-051182%+3 min
2026-063070%+16 min

Performance by day of week

DayFlightsOn-time
Mon4070%
Tue4269%
Wed4085%
Thu4176%
Fri3982%
Sat4057%
Sun3964%

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