ON TIMEBOARD

MKE → RSW on time

General Mitchell (Milwaukee, WI) to Southwest Florida (Fort Myers, FL). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
0.8%
375 flights
Typical arrival
−6 min
median vs schedule
When late
+61 min
average delay
Flights / day
1
1 airline

80% of flights from Milwaukee to Fort Myers arrived on time over the past 12 months. That is about the typical U.S. route. 7% 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 MKE → RSW: when a flight was late, it was under 45 minutes late 54% of the time. About 1 in 18 flights landed an hour or more late, and 1 in 188 three hours or more; 0.8% were cancelled outright.

Share of all 375 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines37580%0.8%−6 min5.6%+61 minSouthwest Airlines

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 MKE). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: too few flights (22 flights)5a6 a.m. departures: 90% on time (103 flights)906a7 a.m. departures: too few flights (5 flights)7a8 a.m. departures: too few flights (8 flights)8a9 a.m. departures: too few flights (19 flights)9a10 a.m. departures: too few flights (8 flights)10a11 a.m. departures: too few flights (8 flights)11anoon departures: too few flights (52 flights)12p1 p.m. departures: too few flights (5 flights)1p2 p.m. departures: too few flights (28 flights)2p3 p.m. departures: too few flights (5 flights)3p4 p.m. departures: too few flights (48 flights)4p5 p.m. departures: too few flights (5 flights)5p6 p.m. departures: too few flights (36 flights)6p
MKE → RSW, 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

Last flight of the day

On MKE → RSW, each airline's last flight of the day was cancelled 1.7% of the time, against 0.8% for its earlier flights (2.2× as often). It arrived 3+ hours late 0.0% of the time (earlier flights: 1.5%). 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
Southwest Airlines6:50 a.m.1.7%0.0%0.8%first flight 6:50 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.

If you need to be in RSW tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: April (87%). Worst: January (68%).

40%70%100%Jan: 68% on time (148 flights)68JanFeb: 84% on time (173 flights)84FebMar: 76% on time (222 flights)76MarApr: 87% on time (115 flights)87AprMay: too few flights (83 flights)MayJun: too few flights (40 flights)JunJul: too few flights (34 flights)JulAug: too few flights (5 flights)AugSep: too few flights (4 flights)SepOct: 77% on time (107 flights)77OctNov: 84% on time (125 flights)84NovDec: 72% on time (141 flights)72Dec

By day of week

DayFlightsOn timeCancelled
Monday55——
Tuesday43——
Wednesday40——
Thursday53——
Friday57——
Saturday71——
Sunday56——

Why flights were late

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

Late inbound plane 37%Air traffic & airport (NAS) 34%Airline (crew, maintenance, ops) 25%Severe weather 4%

Cancellations: weather 2 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Mar 7, 2026425%0
Mar 28, 2026450%0
Feb 28, 2026367%0
Feb 21, 2026367%0
Mar 14, 2026475%0

Questions

How often are flights from MKE to RSW on time?

80% of 375 scheduled flights from Milwaukee, WI to Fort Myers, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 0.8% were cancelled.

What month has the most delays from MKE to RSW?

January (68% on time). The best month is April (87%), over 2023–2026.

Is the last flight of the day from MKE to RSW more likely to be cancelled?

Yes. Each airline's last MKE–RSW flight of the day was cancelled 1.7% of the time over the past year, against 0.8% 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.