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Route · LRD → IAH · 2020–2025 BTS data

Laredo to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LRD to IAH (Laredo to Houston) ranks #4793 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

91.7%
On-time
+12.7 pts
vs US avg
62 min
Delay when late
617
Flights
#4793 of 4927
Corpus placement

Cancelled

4.2%

Best Month

Aug 2020 98%

Worst Month

Feb 2020 84%

Distance

301 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Nov 2020 50 3 0 1 OO
Oct 2020 49 5 0 0 OO
Sep 2020 50 4 0 0 EV,OO
Aug 2020 52 1 3 0 EV
Jul 2020 44 6 3 0 EV
Jun 2020 43 4 1 0 EV
May 2020 43 4 2 0 EV
Apr 2020 30 1 0 0 EV
Mar 2020 89 6 17 0 EV
Feb 2020 82 13 0 0 EV
Jan 2020 85 4 0 0 EV

LRD–IAH seasonal on-time pattern

Best: August (98.1%) · weakest: February (84.1%)

80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNov 94%

Strongest calendar month

August

98.1% on-time · ~52 flights/mo

Busiest calendar month

March

~89 flights/mo avg

Weakest calendar month

February

84.1% on-time · ~82 flights/mo

Cancellation Rate

4.2%

26 of 617 flights

Diversion Rate

0.2%

1 of 617 flights

Explore origin & destination

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

LRD - Laredo

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

LRD 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 LRD and IAH side by side on delays, cancellations, and reliability.

Compare LRD vs IAH

Origin-hub reliability standing

Among LRD's stronger departures

LRD → IAH posts a 91.7% on-time rate, landing in the ≥85% band with 1 of 2 BTS-tracked routes leaving Laredo. The same hub also shows 1 mid-band and 0 challenged departures · fleet-wide on-time rank #56 of 4927 (highest on-time = #1).

What the Data Says About LRD to IAH

Laredo to Houston (LRD to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 91.7% on-time rate across 617 flights, with delays that do happen averaging 61.6 minutes. The corridor runs roughly 301 miles and is served by 3 carriers. Over the most recent 24 months, 26 of 617 flights were cancelled (4.2%) and 1 diverted (0.2%).

Monthly performance varies moderately here: Aug 2020 was the strongest month at 98% on-time versus Feb 2020 at 84%, a 14-point difference.

On the multi-year calendar, LRD–IAH peaks in August at 98.1% on-time while March carries the heaviest traffic (~89 flights per month) ; the softest month is February at 84.1%, a 14.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LRD to IAH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LRD to IAH ranks #4793 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 LRD to IAH? ▼
Flights from Laredo to Houston have a 91.7% on-time rate based on 617 flights. The average delay is 61.6 minutes. The best recent month was Aug 2020 with 98% on-time.
What is the cancellation rate for LRD to IAH? ▼
Over the last 24 months, 4.2% of flights on this route were cancelled (26 of 617 flights) and 0.2% were diverted.
How far is the flight from LRD to IAH? ▼
The flight distance from Laredo (LRD) to Houston (IAH) is approximately 301 miles. This route is served by 3 carriers.
When is the best time to fly from LRD to IAH? ▼
The best recent month for on-time performance was Aug 2020 (98% on-time). The worst was Feb 2020 (84% on-time). Consider booking during months with historically better performance.

Airports on this route

LRD Airport

Laredo
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 LRD–IAH data

LRD–IAH runs 12.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LRD and IAH airport profiles: delay causes and top routes differ even on the same corridor. LRD airport
  • If your dates flex, August (98.1% on-time) beats February (84.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 91.7% 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.