PlainFlights

Route · IAH → PBI · 2020–2025 BTS data

Houston to West Palm Beach/Palm Beach

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to PBI (Houston to West Palm Beach/Palm Beach) ranks #4242 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.2%
On-time
-1.8 pts
vs US avg
73 min
Delay when late
1,366
Flights
#4242 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Dec 2025 78%

Worst Month

Mar 2025 68%

Distance

956 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 65 14 0 0 UA
Nov 2025 59 13 1 0 UA
Oct 2025 37 5 0 0 UA
May 2025 31 7 0 0 OO,UA
Apr 2025 30 6 0 0 UA
Mar 2025 59 19 0 0 UA
Feb 2025 42 16 0 0 UA
Jan 2025 37 12 1 0 UA
Dec 2024 43 13 2 0 UA
Nov 2024 30 4 0 0 UA
Oct 2024 31 9 0 0 UA
Apr 2024 30 5 1 1 UA
Mar 2024 60 18 1 0 UA
Feb 2024 44 7 0 0 UA
Jan 2024 39 12 0 0 UA
Dec 2023 43 12 0 0 UA
Nov 2023 32 3 0 0 UA
Oct 2023 31 10 0 0 UA
Apr 2023 30 9 1 0 UA
Mar 2023 31 16 0 0 UA
Jan 2023 31 5 0 0 UA
Dec 2022 31 9 0 0 UA
Nov 2022 30 7 0 0 UA
Oct 2022 31 3 0 0 UA

IAH–PBI seasonal on-time pattern

Best: May (83.9%) · weakest: July (64.5%)

60%65%70%75%80%85% JanFebMarAprMayJunJulOctNovDec 72.9%

Strongest calendar month

May

83.9% on-time · ~31 flights/mo

Busiest calendar month

March

~48 flights/mo avg

Weakest calendar month

July

64.5% on-time · ~31 flights/mo

Cancellation Rate

0.8%

7 of 927 flights

Diversion Rate

0.1%

1 of 927 flights

Explore origin & destination

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

IAH - Houston

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

IAH on-time profile

PBI - West Palm Beach/Palm Beach

Full on-time, delay-cause, and seasonal performance for West Palm Beach/Palm Beach, FL.

PBI on-time profile

Compare the two airports

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

Compare IAH vs PBI

Origin-hub reliability standing

Mid-pack among IAH departures

From IAH, this corridor sits with 79 other 75–85% on-time routes out of 102 tracked departures, not the hub's reliability leaders (17 at ≥85%) and not the softest ( 6 below 75%). Destination: West Palm Beach/Palm Beach · fleet on-time rank #4044 of 4927.

What the Data Says About IAH to PBI

The Houston to West Palm Beach/Palm Beach corridor (IAH to PBI) posts a 77.2% on-time rate on the lower edge of the average band, based on 1,366 tracked flights. Late flights run 73.2 minutes behind on average. 7 carriers cover the 956-mile route; over the last 24 months, 7 of 927 flights were cancelled (0.8%) and 0.1% diverted.

Monthly performance varies moderately here: Dec 2025 was the strongest month at 78% on-time versus Mar 2025 at 68%, a 11-point difference.

On the multi-year calendar, IAH–PBI peaks in May at 83.9% on-time while March carries the heaviest traffic (~48 flights per month) ; the softest month is July at 64.5%, a 19.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to PBI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAH to PBI ranks #4242 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 IAH to PBI? ▼
Flights from Houston to West Palm Beach/Palm Beach have a 77.2% on-time rate based on 1,366 flights. The average delay is 73.2 minutes. The best recent month was Dec 2025 with 78% on-time.
What is the cancellation rate for IAH to PBI? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (7 of 927 flights) and 0.1% were diverted.
How far is the flight from IAH to PBI? ▼
The flight distance from Houston (IAH) to West Palm Beach/Palm Beach (PBI) is approximately 956 miles. This route is served by 7 carriers.
When is the best time to fly from IAH to PBI? ▼
The best recent month for on-time performance was Dec 2025 (78% on-time). The worst was Mar 2025 (68% on-time). Consider booking during months with historically better performance.

Airports on this route

IAH Airport

Houston
PBI Airport

West Palm Beach/Palm Beach
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 IAH–PBI data

IAH–PBI is mid-pack at 77.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare IAH and PBI airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, May (83.9% on-time) beats July (64.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.2% 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.