PlainFlights

Route · STL → CLT · 2020–2025 BTS data

St. Louis to Charlotte

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), STL to CLT (St. Louis to Charlotte) ranks #925 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.7%
On-time
+5.7 pts
vs US avg
100 min
Delay when late
11,793
Flights
#925 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Feb 2024 90%

Worst Month

Jul 2024 60%

Distance

575 mi

Carriers

20

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 166 36 0 0 OH,WN,AA
Nov 2025 162 30 1 0 AA,WN
Oct 2025 162 25 1 0 AA,WN
Sep 2025 155 17 1 0 WN,AA
Aug 2025 162 27 1 0 AA,WN,OH
Jul 2025 170 44 0 0 AA,OH,WN
Jun 2025 169 45 2 0 AA,OH,WN
May 2025 180 28 1 1 AA,WN
Apr 2025 177 29 2 0 WN,AA
Mar 2025 182 33 0 1 AA,WN
Feb 2025 152 22 2 0 AA,WN
Jan 2025 169 24 12 0 AA,WN
Dec 2024 176 35 0 0 AA,WN
Nov 2024 147 22 0 0 WN,AA
Oct 2024 174 19 0 0 WN,AA
Sep 2024 179 26 5 0 WN,AA
Aug 2024 157 31 5 0 AA,WN
Jul 2024 182 72 2 1 AA,WN
Jun 2024 179 43 0 1 AA,WN
May 2024 184 69 4 0 AA,WN,YX
Apr 2024 176 31 0 1 AA,WN
Mar 2024 155 32 0 0 AA,WN
Feb 2024 143 15 0 0 AA,WN
Jan 2024 147 31 3 0 AA,WN

STL–CLT seasonal on-time pattern

Best: September (89.0%) · weakest: July (76.0%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 84%

Strongest calendar month

September

89.0% on-time · ~161 flights/mo

Busiest calendar month

March

~177 flights/mo avg

Weakest calendar month

July

76.0% on-time · ~168 flights/mo

Cancellation Rate

1.0%

42 of 4,005 flights

Diversion Rate

0.1%

5 of 4,005 flights

Explore origin & destination

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

STL - St. Louis

Full on-time, delay-cause, and seasonal performance for St. Louis, MO.

STL on-time profile

CLT - Charlotte

Full on-time, delay-cause, and seasonal performance for Charlotte, NC.

CLT on-time profile

Compare the two airports

See STL and CLT side by side on delays, cancellations, and reliability.

Compare STL vs CLT

Origin-hub reliability standing

Mid-pack among STL departures

From STL, this corridor sits with 45 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 1 below 75%). Destination: Charlotte · fleet on-time rank #1347 of 4927.

What the Data Says About STL to CLT

Bureau of Transportation Statistics records show St. Louis to Charlotte (STL to CLT) running a 84.7% on-time rate over 11,793 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 100.2 minutes. The 575-mile corridor is served by 20 carriers, and over the last 24 months 1.0% of 4,005 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 60% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, STL–CLT peaks in September at 89.0% on-time while March carries the heaviest traffic (~177 flights per month) ; the softest month is July at 76.0%, a 13.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does STL to CLT rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, STL to CLT ranks #925 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 STL to CLT? ▼
Flights from St. Louis to Charlotte have a 84.7% on-time rate based on 11,793 flights. The average delay is 100.2 minutes. The best recent month was Feb 2024 with 90% on-time.
What is the cancellation rate for STL to CLT? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (42 of 4,005 flights) and 0.1% were diverted.
How far is the flight from STL to CLT? ▼
The flight distance from St. Louis (STL) to Charlotte (CLT) is approximately 575 miles. This route is served by 20 carriers.
When is the best time to fly from STL to CLT? ▼
The best recent month for on-time performance was Feb 2024 (90% on-time). The worst was Jul 2024 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

STL Airport

St. Louis
CLT Airport

Charlotte
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 STL–CLT data

STL–CLT runs 5.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare STL and CLT airport profiles: delay causes and top routes differ even on the same corridor. STL airport
  • If your dates flex, September (89.0% on-time) beats July (76.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.7% 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.