UA539 DFW → IAH

United Airlines · Dallas/Fort Worth, TX to Houston, TX · 205 flights observed, 2025-10-27 to 2026-06-30 · 224 mi

UA539 covers more than one route in the data window — the stats below are for DFW → IAH, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
84%
Median delay
-10 min
90th percentile
+32 min
Cancellation rate
2%

How often is UA539 on time?

Across 205 flights on DFW → IAH from 2025-10-27 to 2026-06-30, UA539 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +32 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time16984%
16-30 min115%
31-60 min73%
61-120 min52%
2+ hrs94%

Performance by month

MonthFlightsOn-timeAvg delay
2025-105100%-6 min
2025-111782%+8 min
2025-121681%-1 min
2026-012295%-11 min
2026-022789%+0 min
2026-033177%+36 min
2026-042993%-7 min
2026-052879%+2 min
2026-062673%+29 min

Performance by day of week

DayFlightsOn-time
Mon3370%
Tue3294%
Wed3388%
Thu3087%
Fri3184%
Sat1688%
Sun2681%

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