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Route · IAH → SAV · 2020–2025 BTS data

Houston to Savannah

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to SAV (Houston to Savannah) ranks #4143 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.3%
On-time
+3.3 pts
vs US avg
67 min
Delay when late
1,506
Flights
#4143 of 4927
Corpus placement

Cancelled

2.7%

Best Month

Apr 2022 93%

Worst Month

Jul 2021 56%

Distance

851 mi

Carriers

8

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2022 31 8 1 0 YV,OO
Nov 2022 32 2 0 0 OO,YV
Oct 2022 60 7 0 0 OO,UA,YV
Sep 2022 30 4 3 0 YV
Aug 2022 31 9 2 0 YV
Jul 2022 31 9 0 0 YV
Jun 2022 32 3 0 0 YV
May 2022 62 21 1 0 YV
Apr 2022 60 4 0 0 YV
Mar 2022 37 4 0 0 YV
Jan 2022 30 10 5 0 YV
Dec 2021 60 10 4 0 OO,YV
Nov 2021 56 13 1 0 YV
Oct 2021 62 12 1 0 YV
Sep 2021 60 11 0 0 YV
Aug 2021 62 24 1 0 YV
Jul 2021 62 27 2 0 YV
Jun 2021 60 16 1 0 YV
May 2021 62 16 1 0 YV
Apr 2021 60 9 0 0 YV
Mar 2021 58 5 0 0 YV
Feb 2021 46 2 8 1 YV
Jan 2021 31 4 0 0 YV
Dec 2020 31 2 0 0 YV

IAH–SAV seasonal on-time pattern

Best: February (91.3%) · weakest: July (66.9%)

60%70%80%90%100% JanFebMarAprMayJunJulAugSepOctNovDec 83.6%

Strongest calendar month

February

91.3% on-time · ~46 flights/mo

Busiest calendar month

March

~52 flights/mo avg

Weakest calendar month

July

66.9% on-time · ~41 flights/mo

Cancellation Rate

2.7%

31 of 1,146 flights

Diversion Rate

0.1%

1 of 1,146 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

SAV - Savannah

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

SAV on-time profile

Compare the two airports

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

Compare IAH vs SAV

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: Savannah · fleet on-time rank #2233 of 4927.

What the Data Says About IAH to SAV

Bureau of Transportation Statistics records show Houston to Savannah (IAH to SAV) running a 82.3% on-time rate over 1,506 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 66.5 minutes. The 851-mile corridor is served by 8 carriers, and over the last 24 months 2.7% of 1,146 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Apr 2022 posted the strongest performance at 93% on-time, while Jul 2021 came in at just 56% - a 37-point swing worth factoring into travel timing.

On the multi-year calendar, IAH–SAV peaks in February at 91.3% on-time while March carries the heaviest traffic (~52 flights per month) ; the softest month is July at 66.9%, a 24.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to SAV rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAH to SAV ranks #4143 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 SAV? ▼
Flights from Houston to Savannah have a 82.3% on-time rate based on 1,506 flights. The average delay is 66.5 minutes. The best recent month was Apr 2022 with 93% on-time.
What is the cancellation rate for IAH to SAV? ▼
Over the last 24 months, 2.7% of flights on this route were cancelled (31 of 1,146 flights) and 0.1% were diverted.
How far is the flight from IAH to SAV? ▼
The flight distance from Houston (IAH) to Savannah (SAV) is approximately 851 miles. This route is served by 8 carriers.
When is the best time to fly from IAH to SAV? ▼
The best recent month for on-time performance was Apr 2022 (93% on-time). The worst was Jul 2021 (56% on-time). Consider booking during months with historically better performance.

Airports on this route

IAH Airport

Houston
SAV Airport

Savannah
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–SAV data

IAH–SAV runs 3.3 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 SAV airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, February (91.3% on-time) beats July (66.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.3% 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.