Phoenix, AZ → Houston, TX flight delays
PHX → IAH · all airlines · 257 flights · May 2026 · source: US BTS
This route is delayed
20%of the time, by +55 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
80%
Delayed 3h+
0%
Cancelled
0%
Avg when late
+55m
Best & worst day to fly
Most on-time
Monday
delayed 8%
Worst
Thursday
delayed 31%
Which airline is most punctual on PHX → IAH?
Uniteddelayed 16%
Americandelayed 21%
Frontierdelayed 26%
Frequently asked
How often is the Phoenix, AZ to Houston, TX flight delayed?
About 20% of PHX → IAH flights arrive late (15+ minutes), by an average of 55 minutes when they do, based on 257 flights in May 2026.
Which airline is most punctual on PHX → IAH?
United, delayed 16% of the time — the best of the 3 airlines flying this route.
What is the best day to fly PHX → IAH?
Monday is the most on-time (delayed 8%), while Thursday is the worst (delayed 31%).
Airport overviews