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WanderNerd

Route Reliability

Houston → Palm Springs

IAHPSP · 1,269 miles · George Bush Intercontinental Airport to Palm Springs International Airport

84
Pretty Reliable
WanderNerd Reliability Score
88%
Arrive within 15 minutes
15 min early
Average arrival delay
1.3%
Cancelled
236
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 88% of the time across 236 flights. No comparison to make.

What the data says

Morning flights do better here.

IAH–PSP flights departing between 9 AM–12 PM arrived on time 91% of the time, versus 75% between 6–9 PM.

Sunday scaries are real for this one.

IAH–PSP flights arrived on time 95% of the time on Tuesdays and just 78% on Sundays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon94%(35 flights)
  • Tue95%(19 flights)
  • Wed85%(34 flights)
  • Thu94%(36 flights)
  • Fri89%(35 flights)
  • Sat85%(34 flights)
  • Sun78%(36 flights)
On-time by departure window
  • 9 AM–12 PM91%(183 flights)
  • 3–6 PM(2 flights)
  • 6–9 PM75%(44 flights)
On-time trend by month
94%
May

Nov 85% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202585%27
December 202589%28
January 202683%24
February 202693%41
March 202686%56
April 202689%36
May 202694%17

Based on 236 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.