491 km · Domestic

Des Moines (DSM) – Chicago Midway (MDW)

In July 2026, 123 flights operated between Des Moines and Chicago Midway (both directions), and 65.0% left on time, according to the US BTS.

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods5 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January–––
February–––
March–102–
April–112–
May–114–
June–120–
July–123–
August–––
September–––
October––in progress
November–––
December–––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods5 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January–––
February–––
March–73.5%–
April–83.0%–
May–70.2%–
June–75.0%–
July–65.0%–
August–––
September–––
October––in progress
November–––
December–––

Cancelled flights by month

The most recent periods5 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January–––
February–––
March–6–
April–2–
May–0–
June–0–
July–1–
August–––
September–––
October––in progress
November–––
December–––

By direction

DSM → MDW

Scheduled flights
290
Flights operated
285
Cancelled
5 · 1.7%
On-time departures
79.3%

MDW → DSM

Scheduled flights
290
Flights operated
286
Cancelled
4 · 1.4%
On-time departures
67.1%

DSM → MDW and MDW → DSM counted separately.

Airlines on this route

Mar 1, 2026 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 580 100.0% 73.2% 9

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Mar 5, 2026 → Jul 31, 2026

Recorded flights580DSM–MDW

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · 148 · 148 recorded · 145 measured · Source: the US BTS 06:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · 148 · 148 recorded · 146 measured · Source: the US BTS 11:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · 50 · 50 recorded · 50 measured · Source: the US BTS 16:00 · 90 · 90 recorded · 88 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · 27 · 27 recorded · 27 measured · Source: the US BTS 21:00 · 74 · 74 recorded · 73 measured · Source: the US BTS 22:00 · 39 · 39 recorded · 38 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00Fewer than 200 measured departures—145148
06:00Fewer than 200 measured departures—11
07:00No observations———
08:00No observations———
09:00No observations———
10:00Fewer than 200 measured departures—146148
11:00Fewer than 200 measured departures—11
12:00No observations———
13:00Fewer than 200 measured departures—11
14:00No observations———
15:00Fewer than 200 measured departures—5050
16:00Fewer than 200 measured departures—8890
17:00No observations———
18:00Fewer than 200 measured departures—11
19:00No observations———
20:00Fewer than 200 measured departures—2727
21:00Fewer than 200 measured departures—7374
22:00Fewer than 200 measured departures—3839
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 84 · 84 recorded · 82 measured · Source: the US BTS Tuesday · 84 · 84 recorded · 84 measured · Source: the US BTS Wednesday · 84 · 84 recorded · 84 measured · Source: the US BTS Thursday · 88 · 88 recorded · 85 measured · Source: the US BTS Friday · 88 · 88 recorded · 87 measured · Source: the US BTS Saturday · 68 · 68 recorded · 68 measured · Source: the US BTS Sunday · 84 · 84 recorded · 81 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—8284
TuesdayFewer than 200 measured departures—8484
WednesdayFewer than 200 measured departures—8484
ThursdayFewer than 200 measured departures—8588
FridayFewer than 200 measured departures—8788
SaturdayFewer than 200 measured departures—6868
SundayFewer than 200 measured departures—8184

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · No observations · 0 recorded · 0 measured · Source: the US BTS Feb · No observations · 0 recorded · 0 measured · Source: the US BTS Mar · 108 · 108 recorded · 102 measured · Source: the US BTS Apr · 114 · 114 recorded · 112 measured · Source: the US BTS May · 114 · 114 recorded · 114 measured · Source: the US BTS Jun · 120 · 120 recorded · 120 measured · Source: the US BTS Jul · 124 · 124 recorded · 123 measured · Source: the US BTS Aug · No observations · 0 recorded · 0 measured · Source: the US BTS Sep · No observations · 0 recorded · 0 measured · Source: the US BTS Oct · No observations · 0 recorded · 0 measured · Source: the US BTS Nov · No observations · 0 recorded · 0 measured · Source: the US BTS Dec · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanNo observations———
FebNo observations———
MarFewer than 200 measured departures—102108
AprFewer than 200 measured departures—112114
MayFewer than 200 measured departures—114114
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—123124
AugNo observations———
SepNo observations———
OctNo observations———
NovNo observations———
DecNo observations———

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 72.1% 418
  • Delayed >15 min 26.4% 153
  • Cancelled 1.6% 9
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

9
9 of 9
Flight numbersBy direction DeparturesOn time
WN2128 DSM → MDW 58 87.9%
WN1771 MDW → DSM 50 94.0%
WN2062 MDW → DSM 50 54.0%
WN2131 DSM → MDW 49 79.6%
WN1772 DSM → MDW 42 92.9%
WN1779 MDW → DSM 33 48.4%
WN2845 DSM → MDW 33 90.0%
WN2849 DSM → MDW 33 65.6%
WN1524 DSM → MDW 31 64.5%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 123 1 65.0%
June 2026 120 0 75.0%
May 2026 114 0 70.2%
April 2026 112 2 83.0%
March 2026 102 6 73.5%

How to read this chart

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