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Route · IAH → ELP · 2020–2025 BTS data

Houston to El Paso

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to ELP (Houston to El Paso) ranks #3110 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.5%
On-time
+5.5 pts
vs US avg
84 min
Delay when late
3,515
Flights
#3110 of 4927
Corpus placement

Cancelled

2.9%

Best Month

Sep 2022 93%

Worst Month

Aug 2021 66%

Distance

667 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Apr 2025 30 2 0 0 OO
Oct 2024 30 7 0 0 OO
Sep 2024 30 10 0 0 OO
Aug 2024 33 9 0 0 OO
Jul 2024 31 8 4 0 OO
Jun 2024 32 6 0 0 OO
Apr 2024 30 5 0 0 OO
Dec 2022 79 12 0 0 YV,OO
Nov 2022 63 15 0 0 OO,UA,YV
Oct 2022 105 11 0 0 YV
Sep 2022 90 6 0 1 YV
Aug 2022 93 13 4 0 YV
Jul 2022 62 15 0 0 YV
Jun 2022 87 14 0 0 OO,YV
May 2022 150 20 1 0 OO,YV
Apr 2022 118 10 2 0 OO,YV
Mar 2022 93 19 0 0 OO,YV
Feb 2022 68 16 1 0 YV,OO
Jan 2022 109 23 20 0 OO,YV
Dec 2021 93 22 5 0 OO,YV
Nov 2021 115 21 7 0 YV,OO
Oct 2021 64 16 3 0 OO,YV
Sep 2021 60 15 1 0 YV
Aug 2021 62 21 2 0 YV

IAH–ELP seasonal on-time pattern

Best: May (87.8%) · weakest: July (71.6%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 82.8%

Strongest calendar month

May

87.8% on-time · ~101 flights/mo

Busiest calendar month

January

~116 flights/mo avg

Weakest calendar month

July

71.6% on-time · ~56 flights/mo

Cancellation Rate

2.9%

50 of 1,727 flights

Diversion Rate

0.1%

1 of 1,727 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

ELP - El Paso

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

ELP on-time profile

Compare the two airports

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

Compare IAH vs ELP

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: El Paso · fleet on-time rank #1402 of 4927.

What the Data Says About IAH to ELP

Bureau of Transportation Statistics records show Houston to El Paso (IAH to ELP) running a 84.5% on-time rate over 3,515 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 84.0 minutes. The 667-mile corridor is served by 10 carriers, and over the last 24 months 2.9% of 1,727 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Sep 2022 posted the strongest performance at 93% on-time, while Aug 2021 came in at just 66% - a 27-point swing worth factoring into travel timing.

On the multi-year calendar, IAH–ELP peaks in May at 87.8% on-time while January carries the heaviest traffic (~116 flights per month) ; the softest month is July at 71.6%, a 16.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to ELP rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAH to ELP ranks #3110 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 ELP? ▼
Flights from Houston to El Paso have a 84.5% on-time rate based on 3,515 flights. The average delay is 84.0 minutes. The best recent month was Sep 2022 with 93% on-time.
What is the cancellation rate for IAH to ELP? ▼
Over the last 24 months, 2.9% of flights on this route were cancelled (50 of 1,727 flights) and 0.1% were diverted.
How far is the flight from IAH to ELP? ▼
The flight distance from Houston (IAH) to El Paso (ELP) is approximately 667 miles. This route is served by 10 carriers.
When is the best time to fly from IAH to ELP? ▼
The best recent month for on-time performance was Sep 2022 (93% on-time). The worst was Aug 2021 (66% on-time). Consider booking during months with historically better performance.

Airports on this route

IAH Airport

Houston
ELP Airport

El Paso
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–ELP data

IAH–ELP runs 5.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IAH and ELP airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, May (87.8% on-time) beats July (71.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.5% 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.