ON TIMEBOARD

MSP → MDW on time

Minneapolis-St. Paul (Minneapolis, MN) to Chicago Midway (Chicago, IL). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
1.5%
2,654 flights
Typical arrival
−5 min
median vs schedule
When late
+60 min
average delay
Flights / day
7
2 airlines

76% of flights from Minneapolis to Chicago arrived on time over the past 12 months. That is worse than the typical U.S. route. The 5 a.m. departures ran on time 91% of the time; the 5 p.m. ones 64%. Most reliable airline: Southwest Airlines (77%). 9% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for MSP → MDW: when a flight was late, it was under 45 minutes late 61% of the time. About 1 in 15 flights landed an hour or more late, and 1 in 88 three hours or more; 1.5% were cancelled outright.

Share of all 2,654 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines1,59177%1.7%−5 min4.8%+52 minSouthwest Airlines
Delta Air Lines1,06374%1.2%−5 min9.7%+71 minSkyWest 67%, Endeavor Air 33%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at MSP). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 91% on time (216 flights)915a6 a.m. departures: 82% on time (141 flights)826a7 a.m. departures: 84% on time (381 flights)847a8 a.m. departures: too few flights (29 flights)8a9 a.m. departures: too few flights (78 flights)9a10 a.m. departures: 80% on time (245 flights)8010a11 a.m. departures: 76% on time (431 flights)7611anoon departures: too few flights (99 flights)12p1 p.m. departures: too few flights (51 flights)1p2 p.m. departures: too few flights (85 flights)2p3 p.m. departures: 66% on time (180 flights)663p4 p.m. departures: 68% on time (442 flights)684p5 p.m. departures: 64% on time (107 flights)645p6 p.m. departures: 72% on time (109 flights)726p7 p.m. departures: too few flights (52 flights)7p
MSP → MDW, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsSouthwest AirlinesDelta Air Lines
5 a.m.91%—
7 a.m.93%79%
10 a.m.80%—
11 a.m.—75%
3 p.m.68%—
4 p.m.66%69%
6 p.m.72%—

Last flight of the day

On MSP → MDW, each airline's last flight of the day was cancelled 1.4% of the time, against 1.6% for its earlier flights, about the same. It arrived 3+ hours late 1.8% of the time (earlier flights: 0.9%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines4:38 p.m.1.4%1.7%1.1%first flight 6:55 a.m.
Southwest Airlines6:40 p.m.1.4%1.9%1.8%first flight 5:25 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: October (89%). Worst: June (70%).

40%70%100%Jan: 76% on time (625 flights)76JanFeb: 85% on time (568 flights)85FebMar: 79% on time (697 flights)79MarApr: 87% on time (690 flights)87AprMay: 81% on time (710 flights)81MayJun: 70% on time (728 flights)70JunJul: 73% on time (748 flights)73JulAug: 78% on time (732 flights)78AugSep: 87% on time (767 flights)87SepOct: 89% on time (783 flights)89OctNov: 85% on time (709 flights)85NovDec: 76% on time (717 flights)76Dec

By day of week

DayFlightsOn timeCancelled
Monday40573%2.0%
Tuesday38178%1.1%
Wednesday38078%0.8%
Thursday39175%1.0%
Friday39273%1.3%
Saturday32484%2.2%
Sunday38172%2.4%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 43%Late inbound plane 35%Air traffic & airport (NAS) 15%Severe weather 7%

Cancellations: weather 28 · air traffic/airport 11 · airline 1

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 88% on time, 0.4% cancelledOct 2023: 85% on time, 0.3% cancelledNov 2023: 88% on time, 0.7% cancelledDec 2023: 85% on time, 2.2% cancelledJan 2024: 74% on time, 9.3% cancelledFeb 2024: 88% on time, 0.0% cancelledMar 2024: 86% on time, 0.8% cancelledApr 2024: 88% on time, 0.0% cancelledMay 2024: 76% on time, 0.0% cancelledJun 2024: 63% on time, 0.4% cancelledJul 2024: 73% on time, 0.4% cancelledAug 2024: 83% on time, 0.0% cancelledSep 2024: 90% on time, 0.0% cancelledOct 2024: 94% on time, 0.0% cancelledNov 2024: 87% on time, 0.9% cancelledDec 2024: 78% on time, 0.9% cancelledJan 2025: 83% on time, 0.5% cancelledFeb 2025: 83% on time, 1.1% cancelledMar 2025: 83% on time, 0.4% cancelledApr 2025: 90% on time, 0.4% cancelledMay 2025: 87% on time, 0.8% cancelledJun 2025: 82% on time, 0.0% cancelledJul 2025: 73% on time, 1.2% cancelledAug 2025: 76% on time, 0.8% cancelledSep 2025: 82% on time, 0.4% cancelledOct 2025: 90% on time, 0.0% cancelledNov 2025: 80% on time, 7.5% cancelledDec 2025: 62% on time, 0.9% cancelledJan 2026: 69% on time, 0.5% cancelledFeb 2026: 84% on time, 0.0% cancelledMar 2026: 68% on time, 4.4% cancelledApr 2026: 82% on time, 0.9% cancelledMay 2026: 81% on time, 0.0% cancelledJun 2026: 65% on time, 0.9% cancelledJul 2026: 73% on time, 2.5% cancelledAug 2026: 75% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
MSP → MDW, monthly on-time and cancellation rate.

Worst days in the past year

DateFlightsOn timeCancelled
Mar 16, 202680%1
Nov 30, 202580%0
Mar 15, 202670%6
Dec 28, 202560%1
Dec 29, 202560%1

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Minneapolis or Chicago. None has been clearly more reliable than MSP → MDW.

RouteFlightsOn timeCancelled
MSP → MDW (this route)2,65476%1.5%
MSP → ORD Minneapolis-St. Paul to Chicago O'Hare6,42068%2.9%

Questions

How often are flights from MSP to MDW on time?

76% of 2,654 scheduled flights from Minneapolis, MN to Chicago, IL arrived within 15 minutes of schedule between September 2025 and August 2026. 1.5% were cancelled.

What is the best time of day to fly MSP to MDW?

Flights scheduled to leave at 5 a.m. were the most reliable (91% on time). The 5 p.m. departures were the least (64%).

Which airline is most on time from MSP to MDW?

Southwest Airlines: 77% of its 1,591 flights on the route arrived on time. Delta Air Lines: 74%.

What month has the most delays from MSP to MDW?

June (70% on time). The best month is October (89%), over 2023–2026.

Is the last flight of the day from MSP to MDW more likely to be cancelled?

Not much. Each airline's last MSP–MDW flight of the day was cancelled 1.4% of the time over the past year, against 1.6% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.