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964 km · Domestic

Ronald Reagan Washington National (DCA) – Chicago Midway (MDW)

In July 2026, 337 flights operated between Ronald Reagan Washington National and Chicago Midway (both directions), and 62.3% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

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

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January328334▲ 1.8%
February308312▲ 1.3%
March357347▼ 2.8%
April343345▲ 0.6%
May350352▲ 0.6%
June346342▼ 1.2%
July338337▼ 0.3%
August358––
September352––
October362–in progress
November317––
December346––
Year to date (Jan–Jul)2,3702,3690.0%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January85.1%83.5%▼ 1.9%
February67.2%78.5%▲ 16.8%
March78.7%59.7%▼ 24.1%
April80.8%75.7%▼ 6.3%
May75.4%62.8%▼ 16.7%
June67.6%65.2%▼ 3.6%
July60.7%62.3%▲ 2.6%
August74.6%––
September79.8%––
October72.1%–in progress
November73.2%––
December71.1%––
Year-to-date average (Jan–Jul)73.6%69.7%▼ 5.4%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January3024▼ 20.0%
February42▼ 50.0%
March315▲ 400.0%
April31▼ 66.7%
May20▼ 100.0%
June610▲ 66.7%
July2416▼ 33.3%
August4––
September0––
October0–in progress
November23––
December0––
Year to date (Jan–Jul)7268▼ 5.6%

By direction

DCA → MDW

Scheduled flights
3,777
Flights operated
3,681
Cancelled
96 · 2.5%
On-time departures
73.2%

MDW → DCA

Scheduled flights
3,778
Flights operated
3,700
Cancelled
78 · 2.1%
On-time departures
73.0%

DCA → MDW and MDW → DCA counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 7,555 100.0% 73.1% 174

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 · Oct 12, 2024 → Jul 31, 2026

Lowest average delay06:00–07:001.0min · 843 recorded · 822 measured
Gap to highest-delay hour31.7min06:00 ↔ 18:00
Recorded flights7,555DCA–MDW

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

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

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

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—117117
06:0093.7%1.0 min822843
07:0090.3%3.9 min330333
08:0088.2%5.2 min204205
09:0085.8%5.2 min851867
10:0087.5%6.1 min248250
11:0074.1%12.7 min753766
12:0076.1%13.6 min510516
13:00Fewer than 200 measured departures—149152
14:0070.0%22.2 min283290
15:0064.6%20.5 min757780
16:00Fewer than 200 measured departures—108113
17:0058.9%26.4 min450466
18:0054.7%32.7 min580604
19:00Fewer than 200 measured departures—182184
20:0058.4%27.4 min582597
21:0056.3%30.0 min455472
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

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

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
Monday70.5%17.8 min1,0741,112
Tuesday79.0%12.6 min1,0981,120
Wednesday75.4%12.3 min1,1001,124
Thursday71.7%18.1 min1,0781,104
Friday68.6%20.5 min1,0861,100
Saturday80.1%11.4 min873890
Sunday67.4%18.4 min1,0721,105

Month of year

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

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

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

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

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

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan84.3%6.3 min662716
Feb72.9%15.5 min620626
Mar69.3%20.4 min704722
Apr78.2%11.9 min688692
May69.1%17.9 min702704
Jun66.4%22.9 min688704
Jul61.5%31.2 min675715
Aug74.6%15.0 min358362
Sep79.8%8.4 min352352
Oct75.0%11.4 min596596
Nov78.2%12.4 min650676
Dec72.5%13.0 min686690

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 71.4% 5,393
  • Delayed >15 min 26.3% 1,988
  • Cancelled 2.3% 174
  • 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

108
108 of 108
Flight numbersBy direction DeparturesOn time
WN2765 MDW → DCA 118 72.6%
WN704 MDW → DCA 118 87.8%
WN574 DCA → MDW 98 90.5%
WN2080 DCA → MDW 93 65.9%
WN940 DCA → MDW 93 91.0%
WN3809 MDW → DCA 92 80.2%
WN1542 DCA → MDW 81 92.6%
WN1838 MDW → DCA 75 72.6%
WN1679 DCA → MDW 74 59.7%
WN952 MDW → DCA 70 75.0%
WN1751 MDW → DCA 65 68.3%
WN262 MDW → DCA 65 65.6%
WN215 DCA → MDW 64 62.3%
WN2144 DCA → MDW 61 58.6%
WN2147 DCA → MDW 61 41.4%
WN2295 DCA → MDW 61 90.0%
WN3812 MDW → DCA 61 50.9%
WN3579 MDW → DCA 60 35.7%
WN1079 MDW → DCA 58 92.7%
WN1453 MDW → DCA 58 96.6%
WN1747 DCA → MDW 58 53.5%
WN192 DCA → MDW 58 82.8%
WN2373 DCA → MDW 58 89.7%
WN2387 MDW → DCA 58 94.8%
WN2677 MDW → DCA 58 93.0%
WN2858 DCA → MDW 58 60.3%
WN2997 DCA → MDW 58 74.1%
WN3258 MDW → DCA 58 98.3%
WN3287 DCA → MDW 58 92.9%
WN3384 MDW → DCA 58 69.0%
WN4713 MDW → DCA 58 74.1%
WN4786 MDW → DCA 58 98.3%
WN1157 MDW → DCA 57 29.6%
WN4479 DCA → MDW 57 50.0%
WN4976 MDW → DCA 57 96.5%
WN1371 DCA → MDW 55 79.3%
WN2377 DCA → MDW 55 81.1%
WN1469 MDW → DCA 50 70.0%
WN1784 DCA → MDW 50 54.0%
WN2471 DCA → MDW 50 80.0%
WN2680 MDW → DCA 50 68.8%
WN3106 DCA → MDW 50 76.0%
WN3150 MDW → DCA 50 64.0%
WN4238 MDW → DCA 50 86.0%
WN542 DCA → MDW 50 61.2%
WN1442 DCA → MDW 49 83.3%
WN3138 DCA → MDW 49 72.9%
WN3755 MDW → DCA 48 91.7%
WN2192 DCA → MDW 47 76.6%
WN2977 DCA → MDW 47 100.0%
WN3039 DCA → MDW 47 82.6%
WN3046 MDW → DCA 47 73.3%
WN1650 DCA → MDW 46 84.1%
WN2396 MDW → DCA 46 84.4%
WN3292 DCA → MDW 46 82.2%
WN339 MDW → DCA 46 88.9%
WN540 DCA → MDW 46 90.9%
WN3173 DCA → MDW 45 61.4%
WN537 DCA → MDW 45 50.0%
WN2735 MDW → DCA 43 66.7%
WN1444 DCA → MDW 42 81.0%
WN1448 DCA → MDW 42 36.8%
WN155 DCA → MDW 42 88.1%
WN1748 DCA → MDW 42 40.5%
WN2358 DCA → MDW 42 69.2%
WN2748 MDW → DCA 42 57.1%
WN2761 MDW → DCA 42 71.8%
WN4289 MDW → DCA 42 63.4%
WN4345 MDW → DCA 42 57.1%
WN1445 DCA → MDW 41 80.5%
WN1660 DCA → MDW 40 81.6%
WN1919 DCA → MDW 40 95.0%
WN2527 DCA → MDW 37 80.6%
WN3713 MDW → DCA 37 73.5%
WN3808 MDW → DCA 37 61.1%
WN2433 DCA → MDW 36 74.3%
WN462 MDW → DCA 36 83.3%
WN2181 MDW → DCA 35 85.7%
WN2445 DCA → MDW 35 29.0%
WN3735 MDW → DCA 35 45.2%
WN1294 MDW → DCA 34 67.7%
WN1191 MDW → DCA 33 66.7%
WN1288 DCA → MDW 33 68.8%
WN1429 DCA → MDW 33 25.0%
WN1706 MDW → DCA 33 87.5%
WN2025 MDW → DCA 33 100.0%
WN2293 DCA → MDW 33 97.0%
WN2386 DCA → MDW 33 77.4%
WN2618 MDW → DCA 33 75.0%
WN2624 MDW → DCA 33 57.6%
WN2746 MDW → DCA 33 84.4%
WN3321 DCA → MDW 33 71.9%
WN335 MDW → DCA 33 72.7%
WN3500 DCA → MDW 33 40.6%
WN3587 MDW → DCA 33 84.9%
WN4618 MDW → DCA 33 69.7%
WN498 DCA → MDW 33 90.9%
WN1946 MDW → DCA 32 78.1%
WN2151 MDW → DCA 32 32.3%
WN2569 MDW → DCA 32 87.5%
WN3270 DCA → MDW 32 75.0%
WN3677 MDW → DCA 32 81.3%
WN4051 DCA → MDW 32 96.9%
WN2388 DCA → MDW 31 67.7%
WN3488 DCA → MDW 31 51.6%
WN3797 DCA → MDW 31 96.8%
WN732 DCA → MDW 31 73.3%
WN1353 DCA → MDW 30 76.7%

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 337 −0.3% 16 62.3%
June 2026 342 −1.2% 10 65.2%
May 2026 352 +0.6% 0 62.8%
April 2026 345 +0.6% 1 75.7%
March 2026 347 −2.8% 15 59.7%
February 2026 312 +1.3% 2 78.5%
January 2026 334 +1.8% 24 83.5%
December 2025 346 +1.8% 0 71.1%
November 2025 317 −4.8% 23 73.2%
October 2025 362 +54.7% 0 72.1%
September 2025 352 0 79.8%
August 2025 358 4 74.6%
July 2025 338 24 60.7%
June 2025 346 6 67.6%
May 2025 350 2 75.4%
April 2025 343 3 80.8%
March 2025 357 3 78.7%
February 2025 308 4 67.2%
January 2025 328 30 85.1%
December 2024 340 4 73.8%
November 2024 333 3 82.9%
October 2024 234 0 79.5%

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