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

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

79.0% of 1,896 official scheduled STL-to-MSP flights arrived on time; 13.0% 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
79.0%arrived on time
13.0%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 late7.8%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+7.5 mincompleted flights

Which departure time was most reliable for STL to MSP?

Among qualifying STL-to-MSP departure window results, Early morning had the highest on-time rate: 89.1% of 460 flights. Night was lowest at 50.0% across 174 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning46089.1%5.9%1.1%
Late morning39486.5%7.6%0.5%
Afternoon41073.9%18.3%1.5%
Evening45877.7%14.2%0.9%
Night17450.0%28.7%0.6%

Which weekday was most reliable for STL to MSP?

Among qualifying STL-to-MSP weekday results, Tuesday had the highest on-time rate: 85.2% of 284 flights. Sunday was lowest at 70.3% across 269 flights.

DayFlightsOn time30+ minCancelled
Monday29171.1%17.9%1.4%
Tuesday28485.2%9.2%0.0%
Wednesday27483.6%8.8%0.4%
Thursday28584.6%11.6%1.1%
Friday28878.8%13.2%0.0%
Saturday20579.0%15.6%1.0%
Sunday26970.3%15.6%3.0%

Which airline was most reliable for STL to MSP?

Among qualifying STL-to-MSP airline results, Delta Air Lines had the highest on-time rate: 83.1% of 886 flights. SkyWest Airlines was lowest at 74.7% across 359 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines88683.1%10.3%1.1%
Southwest Airlines65175.7%14.0%0.3%
SkyWest Airlines35974.7%18.1%1.7%

Which month was most reliable for STL to MSP?

Among qualifying STL-to-MSP month results, May 2026 had the highest on-time rate: 87.8% of 172 flights. December 2025 was lowest at 66.7% across 144 flights.

MonthFlightsOn time30+ minCancelled
July 202514669.2%20.5%1.4%
August 202515984.9%6.3%0.6%
September 202517081.2%11.2%0.0%
October 202513881.9%8.7%0.0%
November 202513482.8%14.2%0.0%
December 202514466.7%20.1%2.8%
January 202615082.0%12.0%0.7%
February 202614983.9%7.4%1.3%
March 202618674.7%16.7%3.2%
April 202618382.5%9.8%0.0%
May 202617287.8%8.7%0.0%
June 202616569.1%21.2%1.2%

What drove STL to MSP delay minutes?

Airline was the largest recorded STL-to-MSP delay category, accounting for 44.4% of 29,766 BTS-attributed delay minutes during July 2025–June 2026.

Airline44.4%
Late aircraft36.7%
National airspace11.0%
Weather8.0%
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.