How reliable is Minneapolis-St Paul International/Wold-Chamberlain Airport?
Flights from MSP departed within 15 minutes of schedule in 83% of 773,607 flights in official BTS history — and weather is calmest in Sep. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at MSP looks like
On-time departures
across 773,607 flights
Source: BTS Airport Operations · data through 2026-08-08. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
Weather by month
When the weather works for you at Minneapolis
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 97/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 77/100 favorability
Connecting through MSP
How much layover you really need
Based on 75 sellable domestic itineraries seen through Google Flights. Median observed layover: 72 min.
International transfers add immigration and bag recheck — give yourself this buffer at MSP or more.
Observed windows come from normalized SearchAPI / Google Flights itineraries. They are not official airport MCTs. We score every connecting itinerary against conservative connection floors.
The read on MSP
What the numbers say about flying through Minneapolis-St Paul International/Wold-Chamberlain Airport
Across official performance history, flights from Minneapolis left within 15 minutes of schedule about 83% of the time over 773,607 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 1.2%. When a departure does run late, the typical delay is around 10 minutes.
On weather, Minneapolis is an unusually calm-weather airport year-round. September is the calmest stretch for flying, scoring 97 out of 100 for favorable conditions, while December is the most disruptive at 77, driven mainly by low visibility & fog and snow. The seasonal swing is real but manageable; favor the calmer months when your dates are flexible.
If you're connecting through MSP, give yourself room. Real itineraries sold through MSP bottom out around 37 minutes for a domestic connection, and international transfer wants roughly 90 minutes once immigration and a bag recheck are in the mix. Those are floors, not comfortable buffers — one inbound delay can erase them, so add margin when the connection matters.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Minneapolis, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about MSP
- How reliable is Minneapolis-St Paul International/Wold-Chamberlain Airport (MSP)?
- Flights from Minneapolis left within 15 minutes of schedule roughly 83% of the time across 773,607 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 1.2%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from MSP for good weather?
- September has the calmest flying weather at Minneapolis-St Paul International/Wold-Chamberlain Airport. December is the most disruptive, mainly from low visibility & fog and snow.
- How much layover time do you need at MSP?
- Allow at least about 37 minutes for a domestic connection and about 90 minutes for an international one as a floor. These are minimums, not comfortable buffers — a single inbound delay can wipe them out, so add margin when you can.
Reliability guides
Planning a trip through Minneapolis?
Score real flights to and from MSP on reliability, weather, and connection safety — not just price.