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Route · IAH → LBB · 2020–2025 BTS data

Houston to Lubbock

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to LBB (Houston to Lubbock) ranks #3971 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
86 min
Delay when late
1,744
Flights
#3971 of 4927
Corpus placement

Cancelled

1.5%

Best Month

Aug 2020 97%

Worst Month

May 2021 74%

Distance

458 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 12 0 0 OO
Nov 2025 30 6 0 0 OO
Jul 2025 35 8 1 0 OO
Jun 2025 31 11 3 2 OO
Dec 2024 31 4 0 0 OO
May 2024 36 13 3 1 OO
Aug 2023 93 17 0 1 OO
May 2022 61 10 0 0 OO
Apr 2022 60 6 1 0 OO
Mar 2022 56 9 1 0 OO
Oct 2021 79 17 2 0 OO,YV
Sep 2021 42 7 0 1 OO
Aug 2021 89 19 1 0 OO
Jul 2021 88 22 3 0 OO
Jun 2021 32 11 0 0 OO
May 2021 62 16 1 2 OO
Apr 2021 60 8 0 0 OO
Dec 2020 49 2 0 0 OO,YV
Nov 2020 83 9 0 0 OO
Oct 2020 89 10 1 0 OO
Sep 2020 58 3 1 0 EV
Aug 2020 60 2 3 0 EV
Jul 2020 54 5 0 0 EV
Jun 2020 48 5 0 0 EV

IAH–LBB seasonal on-time pattern

Best: April (91.1%) · weakest: June (75.7%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 83.8%

Strongest calendar month

April

91.1% on-time · ~60 flights/mo

Busiest calendar month

January

~88 flights/mo avg

Weakest calendar month

June

75.7% on-time · ~37 flights/mo

Cancellation Rate

1.5%

21 of 1,357 flights

Diversion Rate

0.5%

7 of 1,357 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

LBB - Lubbock

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

LBB on-time profile

Compare the two airports

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

Compare IAH vs LBB

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: Lubbock · fleet on-time rank #1363 of 4927.

What the Data Says About IAH to LBB

Bureau of Transportation Statistics records show Houston to Lubbock (IAH to LBB) running a 84.6% on-time rate over 1,744 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 86.4 minutes. The 458-mile corridor is served by 5 carriers, and over the last 24 months 1.5% of 1,357 flights were cancelled, 0.5% diverted.

The monthly split is wide on this route: Aug 2020 posted the strongest performance at 97% on-time, while May 2021 came in at just 74% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, IAH–LBB peaks in April at 91.1% on-time while January carries the heaviest traffic (~88 flights per month) ; the softest month is June at 75.7%, a 15.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to LBB rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAH to LBB ranks #3971 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 LBB? ▼
Flights from Houston to Lubbock have a 84.6% on-time rate based on 1,744 flights. The average delay is 86.4 minutes. The best recent month was Aug 2020 with 97% on-time.
What is the cancellation rate for IAH to LBB? ▼
Over the last 24 months, 1.5% of flights on this route were cancelled (21 of 1,357 flights) and 0.5% were diverted.
How far is the flight from IAH to LBB? ▼
The flight distance from Houston (IAH) to Lubbock (LBB) is approximately 458 miles. This route is served by 5 carriers.
When is the best time to fly from IAH to LBB? ▼
The best recent month for on-time performance was Aug 2020 (97% on-time). The worst was May 2021 (74% on-time). Consider booking during months with historically better performance.

Airports on this route

IAH Airport

Houston
LBB Airport

Lubbock
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–LBB data

IAH–LBB 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 IAH and LBB airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, April (91.1% on-time) beats June (75.7%) 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.