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Route · SAV → IAH · 2020–2025 BTS data

Savannah to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAV to IAH (Savannah to Houston) ranks #4148 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.1%
On-time
+7.1 pts
vs US avg
75 min
Delay when late
1,501
Flights
#4148 of 4927
Corpus placement

Cancelled

3.1%

Best Month

Apr 2022 95%

Worst Month

Jul 2021 47%

Distance

851 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2022 31 4 1 0 YV,OO
Nov 2022 32 3 0 0 OO,YV
Oct 2022 60 4 1 0 OO,YV
Sep 2022 30 4 2 0 YV
Aug 2022 31 0 1 0 YV
Jul 2022 31 1 0 0 YV
Jun 2022 32 1 0 0 YV
May 2022 62 7 2 0 YV
Apr 2022 60 3 1 1 YV
Mar 2022 35 6 0 0 YV
Jan 2022 30 6 6 0 YV
Dec 2021 60 4 4 0 OO,YV
Nov 2021 56 11 1 0 YV
Oct 2021 62 12 1 0 YV
Sep 2021 60 13 2 1 YV
Aug 2021 62 21 1 0 YV
Jul 2021 62 33 2 0 YV
Jun 2021 60 25 1 0 YV
May 2021 62 9 1 1 YV
Apr 2021 60 16 0 0 YV
Mar 2021 58 6 0 1 YV
Feb 2021 46 2 9 0 YV
Jan 2021 31 2 0 0 YV
Dec 2020 31 1 0 0 YV

SAV–IAH seasonal on-time pattern

Best: February (95.7%) · weakest: July (71.8%)

70%80%90%100% JanFebMarAprMayJunJulAugSepOctNovDec 92.6%

Strongest calendar month

February

95.7% on-time · ~46 flights/mo

Busiest calendar month

March

~51 flights/mo avg

Weakest calendar month

July

71.8% on-time · ~41 flights/mo

Cancellation Rate

3.1%

36 of 1,144 flights

Diversion Rate

0.3%

4 of 1,144 flights

Explore origin & destination

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

SAV - Savannah

Full on-time, delay-cause, and seasonal performance for Savannah, GA.

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

Compare SAV vs IAH

Origin-hub reliability standing

Among SAV's stronger departures

SAV → IAH posts a 86.1% on-time rate, landing in the ≥85% band with 5 of 20 BTS-tracked routes leaving Savannah. The same hub also shows 13 mid-band and 2 challenged departures · fleet-wide on-time rank #886 of 4927 (highest on-time = #1).

What the Data Says About SAV to IAH

Savannah to Houston (SAV to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.1% on-time rate across 1,501 flights, with delays that do happen averaging 75.0 minutes. The corridor runs roughly 851 miles and is served by 6 carriers. Over the most recent 24 months, 36 of 1,144 flights were cancelled (3.1%) and 4 diverted (0.3%).

The monthly split is wide on this route: Apr 2022 posted the strongest performance at 95% on-time, while Jul 2021 came in at just 47% - a 48-point swing worth factoring into travel timing.

On the multi-year calendar, SAV–IAH peaks in February at 95.7% on-time while March carries the heaviest traffic (~51 flights per month) ; the softest month is July at 71.8%, a 23.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SAV to IAH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SAV to IAH ranks #4148 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 SAV to IAH? ▼
Flights from Savannah to Houston have a 86.1% on-time rate based on 1,501 flights. The average delay is 75.0 minutes. The best recent month was Apr 2022 with 95% on-time.
What is the cancellation rate for SAV to IAH? ▼
Over the last 24 months, 3.1% of flights on this route were cancelled (36 of 1,144 flights) and 0.3% were diverted.
How far is the flight from SAV to IAH? ▼
The flight distance from Savannah (SAV) to Houston (IAH) is approximately 851 miles. This route is served by 6 carriers.
When is the best time to fly from SAV to IAH? ▼
The best recent month for on-time performance was Apr 2022 (95% on-time). The worst was Jul 2021 (47% on-time). Consider booking during months with historically better performance.

Airports on this route

SAV Airport

Savannah
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 SAV–IAH data

SAV–IAH runs 7.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SAV and IAH airport profiles: delay causes and top routes differ even on the same corridor. SAV airport
  • If your dates flex, February (95.7% on-time) beats July (71.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.1% 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.