261 km · Domestic

Indianapolis (IND) – Chicago Midway (MDW)

In July 2026, 122 flights operated between Indianapolis and Chicago Midway (both directions), and 66.4% 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 periods12 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January–132–
February–113–
March–119–
April–129–
May–122–
June–117–
July–122–
August108––
September120––
October124–in progress
November115––
December125––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods12 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January–84.1%–
February–86.7%–
March–72.3%–
April–78.3%–
May–77.9%–
June–72.6%–
July–66.4%–
August88.0%––
September85.8%––
October82.3%–in progress
November87.8%––
December75.2%––

Cancelled flights by month

The most recent periods12 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January–1–
February–0–
March–5–
April–1–
May–2–
June–3–
July–2–
August0––
September0––
October0–in progress
November5––
December0––

By direction

IND → MDW

Scheduled flights
733
Flights operated
724
Cancelled
9 · 1.2%
On-time departures
81.1%

MDW → IND

Scheduled flights
732
Flights operated
722
Cancelled
10 · 1.4%
On-time departures
78.3%

IND → MDW and MDW → IND counted separately.

Airlines on this route

Aug 1, 2025 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,465 100.0% 79.7% 19

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 · Aug 5, 2025 → Jul 31, 2026

Lowest average delay10:00–11:002.8min · 254 recorded · 252 measured
Gap to highest-delay hour1.0min10:00 ↔ 06:00
Recorded flights1,465IND–MDW

Departure hour

On-time departures 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 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 06:00 · 92.5% · 255 recorded · 252 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 108 recorded · 108 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 104 recorded · 103 measured · Source: the US BTS 10:00 · 92.1% · 254 recorded · 252 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 5 recorded · 5 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 12 recorded · 12 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 101 recorded · 100 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 151 recorded · 148 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 100 recorded · 99 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 47 recorded · 45 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 152 recorded · 151 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 136 recorded · 132 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 27 recorded · 26 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.

Average departure delay 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 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 06:00 · 3.8 min · 255 recorded · 252 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 108 recorded · 108 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 104 recorded · 103 measured · Source: the US BTS 10:00 · 2.8 min · 254 recorded · 252 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 5 recorded · 5 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 12 recorded · 12 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 101 recorded · 100 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 151 recorded · 148 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 100 recorded · 99 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 47 recorded · 45 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 152 recorded · 151 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 136 recorded · 132 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 27 recorded · 26 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.

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 · 1 · 1 recorded · 1 measured · Source: the US BTS 06:00 · 255 · 255 recorded · 252 measured · Source: the US BTS 07:00 · 108 · 108 recorded · 108 measured · Source: the US BTS 08:00 · 3 · 3 recorded · 3 measured · Source: the US BTS 09:00 · 104 · 104 recorded · 103 measured · Source: the US BTS 10:00 · 254 · 254 recorded · 252 measured · Source: the US BTS 11:00 · 5 · 5 recorded · 5 measured · Source: the US BTS 12:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 13:00 · 4 · 4 recorded · 4 measured · Source: the US BTS 14:00 · 12 · 12 recorded · 12 measured · Source: the US BTS 15:00 · 3 · 3 recorded · 3 measured · Source: the US BTS 16:00 · 101 · 101 recorded · 100 measured · Source: the US BTS 17:00 · 151 · 151 recorded · 148 measured · Source: the US BTS 18:00 · 100 · 100 recorded · 99 measured · Source: the US BTS 19:00 · 47 · 47 recorded · 45 measured · Source: the US BTS 20:00 · 152 · 152 recorded · 151 measured · Source: the US BTS 21:00 · 136 · 136 recorded · 132 measured · Source: the US BTS 22:00 · 27 · 27 recorded · 26 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.

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—11
06:0092.5%3.8 min252255
07:00Fewer than 200 measured departures—108108
08:00Fewer than 200 measured departures—33
09:00Fewer than 200 measured departures—103104
10:0092.1%2.8 min252254
11:00Fewer than 200 measured departures—55
12:00Fewer than 200 measured departures—22
13:00Fewer than 200 measured departures—44
14:00Fewer than 200 measured departures—1212
15:00Fewer than 200 measured departures—33
16:00Fewer than 200 measured departures—100101
17:00Fewer than 200 measured departures—148151
18:00Fewer than 200 measured departures—99100
19:00Fewer than 200 measured departures—4547
20:00Fewer than 200 measured departures—151152
21:00Fewer than 200 measured departures—132136
22:00Fewer than 200 measured departures—2627
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 76.7% · 206 recorded · 202 measured · Source: the US BTS Tuesday · 83.6% · 215 recorded · 214 measured · Source: the US BTS Wednesday · 87.6% · 210 recorded · 209 measured · Source: the US BTS Thursday · 82.5% · 209 recorded · 206 measured · Source: the US BTS Friday · 77.4% · 210 recorded · 208 measured · Source: the US BTS Saturday · 78.5% · 209 recorded · 205 measured · Source: the US BTS Sunday · 70.8% · 206 recorded · 202 measured · Source: the US BTS

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

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 10.6 min · 206 recorded · 202 measured · Source: the US BTS Tuesday · 6.3 min · 215 recorded · 214 measured · Source: the US BTS Wednesday · 6.8 min · 210 recorded · 209 measured · Source: the US BTS Thursday · 11.9 min · 209 recorded · 206 measured · Source: the US BTS Friday · 14.5 min · 210 recorded · 208 measured · Source: the US BTS Saturday · 12.3 min · 209 recorded · 205 measured · Source: the US BTS Sunday · 15.6 min · 206 recorded · 202 measured · Source: the US BTS

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

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 206 · 206 recorded · 202 measured · Source: the US BTS Tuesday · 215 · 215 recorded · 214 measured · Source: the US BTS Wednesday · 210 · 210 recorded · 209 measured · Source: the US BTS Thursday · 209 · 209 recorded · 206 measured · Source: the US BTS Friday · 210 · 210 recorded · 208 measured · Source: the US BTS Saturday · 209 · 209 recorded · 205 measured · Source: the US BTS Sunday · 206 · 206 recorded · 202 measured · Source: the US BTS

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

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday76.7%10.6 min202206
Tuesday83.6%6.3 min214215
Wednesday87.6%6.8 min209210
Thursday82.5%11.9 min206209
Friday77.4%14.5 min208210
Saturday78.5%12.3 min205209
Sunday70.8%15.6 min202206

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 · 133 · 133 recorded · 132 measured · Source: the US BTS Feb · 113 · 113 recorded · 113 measured · Source: the US BTS Mar · 124 · 124 recorded · 119 measured · Source: the US BTS Apr · 130 · 130 recorded · 129 measured · Source: the US BTS May · 124 · 124 recorded · 122 measured · Source: the US BTS Jun · 120 · 120 recorded · 117 measured · Source: the US BTS Jul · 124 · 124 recorded · 122 measured · Source: the US BTS Aug · 108 · 108 recorded · 108 measured · Source: the US BTS Sep · 120 · 120 recorded · 120 measured · Source: the US BTS Oct · 124 · 124 recorded · 124 measured · Source: the US BTS Nov · 120 · 120 recorded · 115 measured · Source: the US BTS Dec · 125 · 125 recorded · 125 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
JanFewer than 200 measured departures—132133
FebFewer than 200 measured departures—113113
MarFewer than 200 measured departures—119124
AprFewer than 200 measured departures—129130
MayFewer than 200 measured departures—122124
JunFewer than 200 measured departures—117120
JulFewer than 200 measured departures—122124
AugFewer than 200 measured departures—108108
SepFewer than 200 measured departures—120120
OctFewer than 200 measured departures—124124
NovFewer than 200 measured departures—115120
DecFewer than 200 measured departures—125125

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 78.6% 1,152
  • Delayed >15 min 20.1% 294
  • Cancelled 1.3% 19
  • 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

26
26 of 26
Flight numbersBy direction DeparturesOn time
WN3710 MDW → IND 64 67.7%
WN103 MDW → IND 58 84.5%
WN1498 MDW → IND 58 91.2%
WN2008 IND → MDW 58 93.1%
WN212 IND → MDW 58 93.1%
WN2303 MDW → IND 58 65.5%
WN2479 IND → MDW 58 91.4%
WN3062 IND → MDW 58 71.9%
WN3074 IND → MDW 58 94.8%
WN1073 MDW → IND 57 70.9%
WN2133 IND → MDW 57 91.1%
WN3877 MDW → IND 50 82.0%
WN1679 MDW → IND 47 87.0%
WN3060 IND → MDW 46 97.8%
WN2885 IND → MDW 42 76.2%
WN2480 IND → MDW 40 60.0%
WN3190 MDW → IND 34 48.5%
WN203 MDW → IND 33 41.9%
WN269 IND → MDW 33 53.1%
WN3059 MDW → IND 33 96.9%
WN3406 IND → MDW 33 90.6%
WN961 IND → MDW 33 61.3%
WN3077 MDW → IND 32 93.8%
WN1821 MDW → IND 31 77.4%
WN3107 IND → MDW 31 83.9%
WN167 MDW → IND 30 86.7%

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 122 2 66.4%
June 2026 117 3 72.6%
May 2026 122 2 77.9%
April 2026 129 1 78.3%
March 2026 119 5 72.3%
February 2026 113 0 86.7%
January 2026 132 1 84.1%
December 2025 125 0 75.2%
November 2025 115 5 87.8%
October 2025 124 0 82.3%
September 2025 120 0 85.8%
August 2025 108 0 88.0%

How to read this chart

Loading the guide…