Air FranceAF
Flights AF8601 varies daily · AF2243 varies Tu Th · AF2295 varies We Fr · AF5639 varies Tu We Th Fr Sa
live
Direct flights from St Louis (STL) to Detroit (DTW): 35 nonstop departures observed each week across 5 airlines. 100% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 9 tracked flights. The nonstop covers 707 km, an estimated 1 hour 24 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Detroit. Updated 9 September 2026 at 09:54 UTC.
STL
St Louis
busy · +19
DTW
Detroit
smooth · +0
707 km · ~1h 24m est.
Runs reliable · 5 airlines · 35x weekly · nonstop
100% on time
of the last 9 operated STL → DTW flights arrived within 15 minutes
Median arrival delay is +0 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+0 minacross the last 9 operated legs
Flight time~1h 24mestimated from route distance
Weekly departures35x5 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air FranceDelta Air LinesKLMSouthwest Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysDelta Air LinesDL
Flights DL1626 06:30 daily · DL2868 10:33 daily · DL1371 14:10 Tu We Th Fr Su · DL2822 varies daily
KLMKL
Flights KL6839 varies daily · KL7261 varies Tu We Th Fr Su · KL5778 varies daily
Southwest AirlinesWN
Flights WN2537 10:10 Mo Th Fr Su · WN4490 10:15 Sa · WN3833 11:10 Tu We · WN1808 18:50 Mo Th Fr
WestJetWS
Flights WS8542 varies daily · WS8838 varies daily · WS6385 varies Fr Su · WS8837 varies daily
History
operated legs · board outcomes09-08AF2243arrived+0
09-08AF8601arrived+0
09-08KL6839arrived+0
09-08KL7261arrived+0
09-08NEW961departed+0
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at STL: 36% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the St Louis to Detroit route actually runs
Pro Flight Search records official board updates for nonstop STL to DTW flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — St Louis (STL) to Detroit (DTW) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STL-DTW
STL to DTW questions
Is STL–DTW running on time right now?
Smooth skies ahead. The departure side at STL is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STL–DTW?
Operators schedule morning departures around 06:30 and evening departures around 18:50 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DTW delay card to confirm conditions when you'd arrive.
How long is the flight from STL to DTW?
Great-circle distance is 707 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 80–91 min gate-to-gate on this route.
How often does STL–DTW fly?
5 carriers operate this route, around 98 flights a week between them. Compare carrier days and times in the airline list above.
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