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Route · IAH → MOB · 2020–2025 BTS data

Houston to Mobile

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to MOB (Houston to Mobile) ranks #4230 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.6%
On-time
+8.6 pts
vs US avg
85 min
Delay when late
1,390
Flights
#4230 of 4927
Corpus placement

Cancelled

6.1%

Best Month

Apr 2020 100%

Worst Month

Aug 2021 79%

Distance

427 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Apr 2025 30 10 1 0 OO
Feb 2024 39 12 0 0 OO
Dec 2023 37 8 0 0 OO
Nov 2023 42 11 0 0 OO
Oct 2023 62 11 0 0 OO
May 2022 74 12 1 0 OO,YV
Oct 2021 41 6 1 0 OO
Aug 2021 62 13 6 0 YV
Jul 2021 31 9 1 0 YV
Jun 2021 30 3 1 0 OO,YV
May 2021 31 7 0 0 OO
Apr 2021 30 4 0 0 OO
Sep 2020 86 9 10 1 EV,OO
Aug 2020 93 7 6 0 EV,YV
Jul 2020 86 4 0 0 EV
Jun 2020 48 1 0 0 EV
May 2020 62 3 2 1 EV
Apr 2020 66 0 21 1 EV
Mar 2020 151 6 35 0 EV,YV
Feb 2020 148 21 0 0 YV,EV
Jan 2020 141 16 0 2 YV,EV

IAH–MOB seasonal on-time pattern

Best: March (96.0%) · weakest: November (73.8%)

70%75%80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 78.4%

Strongest calendar month

March

96.0% on-time · ~151 flights/mo

Busiest calendar month

March

~151 flights/mo avg

Weakest calendar month

November

73.8% on-time · ~42 flights/mo

Cancellation Rate

6.1%

85 of 1,390 flights

Diversion Rate

0.4%

5 of 1,390 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

MOB - Mobile

Full on-time, delay-cause, and seasonal performance for Mobile, AL.

MOB on-time profile

Compare the two airports

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

Compare IAH vs MOB

Origin-hub reliability standing

Among IAH's stronger departures

IAH → MOB posts a 87.6% on-time rate, landing in the ≥85% band with 17 of 102 BTS-tracked routes leaving Houston. The same hub also shows 79 mid-band and 6 challenged departures · fleet-wide on-time rank #496 of 4927 (highest on-time = #1).

What the Data Says About IAH to MOB

Houston to Mobile (IAH to MOB) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.6% on-time rate across 1,390 flights, with delays that do happen averaging 85.3 minutes. The corridor runs roughly 427 miles and is served by 7 carriers. Over the most recent 24 months, 85 of 1,390 flights were cancelled (6.1%) and 5 diverted (0.4%).

The monthly split is wide on this route: Apr 2020 posted the strongest performance at 100% on-time, while Aug 2021 came in at just 79% - a 21-point swing worth factoring into travel timing.

On the multi-year calendar, IAH–MOB peaks in March at 96.0% on-time ; the softest month is November at 73.8%, a 22.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to MOB rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAH to MOB ranks #4230 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 MOB? ▼
Flights from Houston to Mobile have a 87.6% on-time rate based on 1,390 flights. The average delay is 85.3 minutes. The best recent month was Apr 2020 with 100% on-time.
What is the cancellation rate for IAH to MOB? ▼
Over the last 24 months, 6.1% of flights on this route were cancelled (85 of 1,390 flights) and 0.4% were diverted.
How far is the flight from IAH to MOB? ▼
The flight distance from Houston (IAH) to Mobile (MOB) is approximately 427 miles. This route is served by 7 carriers.
When is the best time to fly from IAH to MOB? ▼
The best recent month for on-time performance was Apr 2020 (100% on-time). The worst was Aug 2021 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

IAH Airport

Houston
MOB Airport

Mobile
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–MOB data

IAH–MOB runs 8.6 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 MOB airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, March (96.0% on-time) beats November (73.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.6% 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.