PlainFlights

Route · CLT → STL · 2020–2025 BTS data

Charlotte to St. Louis

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CLT to STL (Charlotte to St. Louis) ranks #923 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.5%
On-time
+1.5 pts
vs US avg
68 min
Delay when late
11,798
Flights
#923 of 4927
Corpus placement

Cancelled

1.1%

Best Month

Feb 2024 87%

Worst Month

May 2024 52%

Distance

575 mi

Carriers

21

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 166 41 0 1 OH,WN,AA
Nov 2025 162 22 1 0 AA,WN
Oct 2025 161 29 1 0 AA,WN
Sep 2025 154 21 1 0 WN,AA
Aug 2025 163 47 1 0 AA,WN,OH
Jul 2025 171 61 1 2 AA,OH,WN
Jun 2025 169 58 2 1 AA,OH,WN
May 2025 181 48 1 1 AA,WN
Apr 2025 177 45 1 0 WN,AA
Mar 2025 183 46 1 0 AA,WN
Feb 2025 152 22 2 0 AA,WN
Jan 2025 169 28 12 0 AA,WN
Dec 2024 177 39 0 0 AA,OH,WN
Nov 2024 147 22 0 0 WN,AA
Oct 2024 174 25 0 0 WN,AA
Sep 2024 179 31 5 0 WN,AA
Aug 2024 157 48 5 0 AA,WN
Jul 2024 182 72 2 1 AA,WN
Jun 2024 179 55 1 0 AA,WN
May 2024 184 88 3 0 AA,WN,YX
Apr 2024 176 55 0 1 AA,WN
Mar 2024 155 38 0 0 AA,WN
Feb 2024 143 19 0 0 AA,WN
Jan 2024 147 40 3 0 AA,WN

CLT–STL seasonal on-time pattern

Best: November (86.6%) · weakest: July (69.6%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.5%

Strongest calendar month

November

86.6% on-time · ~159 flights/mo

Busiest calendar month

March

~178 flights/mo avg

Weakest calendar month

July

69.6% on-time · ~169 flights/mo

Cancellation Rate

1.1%

43 of 4,008 flights

Diversion Rate

0.2%

7 of 4,008 flights

Origin-hub reliability standing

Mid-pack among CLT departures

From CLT, this corridor sits with 116 other 75–85% on-time routes out of 129 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 8 below 75%). Destination: St. Louis · fleet on-time rank #2913 of 4927.

What the Data Says About CLT to STL

11,798 tracked flights put the CLT to STL pairing (Charlotte to St. Louis) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 67.7 minutes on average. Across the 575-mile route and its 21 carriers, the trailing 24 months show 1.1% cancelled and 0.2% diverted (4,008 flights sampled).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 87% on-time, while May 2024 came in at just 52% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, CLT–STL peaks in November at 86.6% on-time while March carries the heaviest traffic (~178 flights per month) ; the softest month is July at 69.6%, a 17.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does CLT to STL rank among US routes by traffic?
According to PlainFlights' route traffic ranking, CLT to STL ranks #923 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 CLT to STL?
Flights from Charlotte to St. Louis have a 80.5% on-time rate based on 11,798 flights. The average delay is 67.7 minutes. The best recent month was Feb 2024 with 87% on-time.
What is the cancellation rate for CLT to STL?
Over the last 24 months, 1.1% of flights on this route were cancelled (43 of 4,008 flights) and 0.2% were diverted.
How far is the flight from CLT to STL?
The flight distance from Charlotte (CLT) to St. Louis (STL) is approximately 575 miles. This route is served by 21 carriers.
When is the best time to fly from CLT to STL?
The best recent month for on-time performance was Feb 2024 (87% on-time). The worst was May 2024 (52% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using CLT–STL data

CLT–STL is mid-pack at 80.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare CLT and STL airport profiles: delay causes and top routes differ even on the same corridor. CLT airport
  • If your dates flex, November (86.6% on-time) beats July (69.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.5% 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.