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Route · PSP → IAH · 2020–2025 BTS data

Palm Springs to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PSP to IAH (Palm Springs to Houston) ranks #4249 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.6%
On-time
+5.6 pts
vs US avg
75 min
Delay when late
1,360
Flights
#4249 of 4927
Corpus placement

Cancelled

2.9%

Best Month

Jan 2021 96%

Worst Month

Mar 2022 65%

Distance

1,269 mi

Carriers

8

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Apr 2025 45 12 0 0 OO,UA
Mar 2025 54 12 0 0 OO,UA
Apr 2024 36 2 0 1 OO,UA
Mar 2024 55 7 0 0 OO,UA
Jan 2024 31 6 0 0 UA
Dec 2023 31 5 0 0 UA
Nov 2023 30 5 0 0 UA
Apr 2023 30 3 0 1 UA,OO
Mar 2023 56 5 0 0 OO,UA
Feb 2023 56 12 0 0 OO,UA
Jan 2023 61 14 0 0 OO,UA
Dec 2022 61 8 0 0 OO
Nov 2022 60 8 0 0 OO
Apr 2022 30 1 0 1 OO
Mar 2022 57 20 0 0 OO
Feb 2022 55 17 1 0 OO
Jan 2022 62 8 0 0 OO
Dec 2021 62 21 0 0 OO
Nov 2021 60 12 0 0 OO
Mar 2021 53 2 1 0 OO,UA
Feb 2021 56 4 11 0 OO,UA,YV
Jan 2021 57 2 0 0 OO,YV
Dec 2020 31 1 0 0 OO
Mar 2020 93 8 22 0 YV,OO,UA

PSP–IAH seasonal on-time pattern

Best: January (87.6%) · weakest: December (81.1%)

80%82%84%86%88% JanFebMarAprNovDec 81.1%

Strongest calendar month

January

87.6% on-time · ~55 flights/mo

Busiest calendar month

February

~61 flights/mo avg

Weakest calendar month

December

81.1% on-time · ~46 flights/mo

Cancellation Rate

2.9%

35 of 1,222 flights

Diversion Rate

0.2%

3 of 1,222 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

PSP - Palm Springs

Full on-time, delay-cause, and seasonal performance for Palm Springs, CA.

PSP on-time profile

IAH - Houston

Full on-time, delay-cause, and seasonal performance for Houston, TX.

IAH on-time profile

Compare the two airports

See PSP and IAH side by side on delays, cancellations, and reliability.

Compare PSP vs IAH

Origin-hub reliability standing

Mid-pack among PSP departures

From PSP, this corridor sits with 8 other 75–85% on-time routes out of 16 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 2 below 75%). Destination: Houston · fleet on-time rank #1379 of 4927.

What the Data Says About PSP to IAH

Bureau of Transportation Statistics records show Palm Springs to Houston (PSP to IAH) running a 84.6% on-time rate over 1,360 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 74.9 minutes. The 1,269-mile corridor is served by 8 carriers, and over the last 24 months 2.9% of 1,222 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Jan 2021 posted the strongest performance at 96% on-time, while Mar 2022 came in at just 65% - a 32-point swing worth factoring into travel timing.

On the multi-year calendar, PSP–IAH peaks in January at 87.6% on-time while February carries the heaviest traffic (~61 flights per month) ; the softest month is December at 81.1%, a 6.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PSP to IAH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PSP to IAH ranks #4249 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from PSP to IAH? ▼
Flights from Palm Springs to Houston have a 84.6% on-time rate based on 1,360 flights. The average delay is 74.9 minutes. The best recent month was Jan 2021 with 96% on-time.
What is the cancellation rate for PSP to IAH? ▼
Over the last 24 months, 2.9% of flights on this route were cancelled (35 of 1,222 flights) and 0.2% were diverted.
How far is the flight from PSP to IAH? ▼
The flight distance from Palm Springs (PSP) to Houston (IAH) is approximately 1,269 miles. This route is served by 8 carriers.
When is the best time to fly from PSP to IAH? ▼
The best recent month for on-time performance was Jan 2021 (96% on-time). The worst was Mar 2022 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

PSP Airport

Palm Springs
IAH Airport

Houston
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using PSP–IAH data

PSP–IAH runs 5.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare PSP and IAH airport profiles: delay causes and top routes differ even on the same corridor. PSP airport
  • If your dates flex, January (87.6% on-time) beats December (81.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.6% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.