BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MSP→STL

Minneapolis, MN (MSP) to St. Louis, MO (STL) flight delay odds

78.5% of 1,896 official scheduled MSP-to-STL flights arrived on time; 13.5% arrived at least 30 minutes late and 0.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
78.5%arrived on time
13.5%30+ min late
0.9%cancelled
1,896scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+5.2 mincompleted flights

Which departure time was most reliable for MSP to STL?

Among qualifying MSP-to-STL departure window results, Early morning had the highest on-time rate: 91.3% of 483 flights. Evening was lowest at 59.6% across 171 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning48391.3%4.3%0.6%
Late morning18380.3%14.2%1.1%
Afternoon71476.1%15.8%0.8%
Evening17159.6%25.1%0.6%
Night34574.2%15.4%1.7%

Which weekday was most reliable for MSP to STL?

Among qualifying MSP-to-STL weekday results, Thursday had the highest on-time rate: 82.8% of 285 flights. Monday was lowest at 71.5% across 291 flights.

DayFlightsOn time30+ minCancelled
Monday29171.5%18.6%0.3%
Tuesday28481.3%11.3%0.0%
Wednesday27482.5%11.3%0.4%
Thursday28582.8%11.9%0.7%
Friday28877.4%14.6%0.0%
Saturday20579.0%12.7%1.0%
Sunday26975.5%13.8%4.5%

Which airline was most reliable for MSP to STL?

Among qualifying MSP-to-STL airline results, Southwest Airlines had the highest on-time rate: 79.6% of 651 flights. SkyWest Airlines was lowest at 76.9% across 359 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines88678.4%13.2%1.2%
Southwest Airlines65179.6%12.0%0.3%
SkyWest Airlines35976.9%17.0%1.4%

Which month was most reliable for MSP to STL?

Among qualifying MSP-to-STL month results, May 2026 had the highest on-time rate: 88.4% of 172 flights. December 2025 was lowest at 66.7% across 144 flights.

MonthFlightsOn time30+ minCancelled
July 202514667.1%23.3%1.4%
August 202515979.2%13.2%0.0%
September 202517084.1%10.0%0.0%
October 202513880.4%9.4%0.0%
November 202513484.3%12.7%0.0%
December 202514466.7%22.2%2.8%
January 202615078.0%10.7%1.3%
February 202614986.6%8.7%0.7%
March 202618672.6%16.7%3.8%
April 202618384.2%9.8%0.0%
May 202617288.4%5.8%0.0%
June 202616569.7%20.6%1.2%

What drove MSP to STL delay minutes?

Airline was the largest recorded MSP-to-STL delay category, accounting for 52.3% of 26,147 BTS-attributed delay minutes during July 2025–June 2026.

Airline52.3%
Late aircraft26.3%
National airspace14.5%
Weather7.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.