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Route · MSP → STL · 2020–2025 BTS data

Minneapolis to St. Louis

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSP to STL (Minneapolis to St. Louis) ranks #1103 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.4%
On-time
+4.4 pts
vs US avg
66 min
Delay when late
10,435
Flights
#1103 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Oct 2024 93%

Worst Month

Jul 2024 66%

Distance

448 mi

Carriers

26

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 144 44 4 0 DL,WN,OO
Nov 2025 134 21 0 0 OO,DL,WN
Oct 2025 138 27 0 0 OO,WN,DL
Sep 2025 170 27 0 0 WN,OO,DL
Aug 2025 159 32 0 1 OO,WN,DL
Jul 2025 146 46 2 0 WN,DL
Jun 2025 144 32 1 0 OO,WN,DL
May 2025 145 21 0 0 OO,WN,DL
Apr 2025 151 24 0 0 DL,OO,WN
Mar 2025 170 28 1 0 OO,WN,DL
Feb 2025 145 23 1 0 DL,OO,WN
Jan 2025 145 25 6 1 OO,WN,DL
Dec 2024 171 38 0 0 9E,DL,OO,WN
Nov 2024 159 26 0 0 WN,DL,9E
Oct 2024 177 12 4 0 WN,DL,9E
Sep 2024 166 13 0 0 WN,DL
Aug 2024 173 33 0 0 DL,WN,9E
Jul 2024 173 59 7 1 9E,DL,WN
Jun 2024 168 45 0 0 DL,WN
May 2024 171 32 0 0 DL,OO,WN
Apr 2024 168 26 0 0 9E,DL,OO,WN
Mar 2024 169 32 1 0 9E,DL,OO,WN
Feb 2024 149 13 0 0 DL,OO,WN
Jan 2024 159 31 4 0 9E,DL,WN,OO

MSP–STL seasonal on-time pattern

Best: September (89.3%) · weakest: July (77.0%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79%

Strongest calendar month

September

89.3% on-time · ~150 flights/mo

Busiest calendar month

June

~162 flights/mo avg

Weakest calendar month

July

77.0% on-time · ~150 flights/mo

Cancellation Rate

0.8%

31 of 3,794 flights

Diversion Rate

0.1%

3 of 3,794 flights

Explore origin & destination

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

MSP - Minneapolis

Full on-time, delay-cause, and seasonal performance for Minneapolis, MN.

MSP on-time profile

STL - St. Louis

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

STL on-time profile

Compare the two airports

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

Compare MSP vs STL

Origin-hub reliability standing

Mid-pack among MSP departures

From MSP, this corridor sits with 57 other 75–85% on-time routes out of 99 tracked departures, not the hub's reliability leaders (42 at ≥85%) and not the softest ( 0 below 75%). Destination: St. Louis · fleet on-time rank #1805 of 4927.

What the Data Says About MSP to STL

Bureau of Transportation Statistics records show Minneapolis to St. Louis (MSP to STL) running a 83.4% on-time rate over 10,435 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 65.9 minutes. The 448-mile corridor is served by 26 carriers, and over the last 24 months 0.8% of 3,794 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 66% - a 27-point swing worth factoring into travel timing.

On the multi-year calendar, MSP–STL peaks in September at 89.3% on-time while June carries the heaviest traffic (~162 flights per month) ; the softest month is July at 77.0%, a 12.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSP to STL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSP to STL ranks #1103 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 MSP to STL? ▼
Flights from Minneapolis to St. Louis have a 83.4% on-time rate based on 10,435 flights. The average delay is 65.9 minutes. The best recent month was Oct 2024 with 93% on-time.
What is the cancellation rate for MSP to STL? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (31 of 3,794 flights) and 0.1% were diverted.
How far is the flight from MSP to STL? ▼
The flight distance from Minneapolis (MSP) to St. Louis (STL) is approximately 448 miles. This route is served by 26 carriers.
When is the best time to fly from MSP to STL? ▼
The best recent month for on-time performance was Oct 2024 (93% on-time). The worst was Jul 2024 (66% on-time). Consider booking during months with historically better performance.

Airports on this route

MSP Airport

Minneapolis
STL Airport

St. Louis
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 MSP–STL data

MSP–STL runs 4.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MSP and STL airport profiles: delay causes and top routes differ even on the same corridor. MSP airport
  • If your dates flex, September (89.3% on-time) beats July (77.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.4% 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.