WN1783

WN1783 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Chicago to Dallas. Of 608 departures recorded from October 2024 to July 2026, 71.6% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January1130▲ 172.7%
February1745▲ 164.7%
March296▼ 79.3%
April35350.0%
May3342▲ 27.3%
June32320.0%
July31310.0%
August31––
September29––
October27–in progress
November19––
December17––
Year to date (Jan–Jul)188221▲ 17.6%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January100.0%86.2%▼ 13.8%
February94.1%84.4%▼ 10.3%
March82.8%100.0%▲ 20.8%
April68.6%51.4%▼ 25.0%
May54.6%45.2%▼ 17.1%
June46.9%81.3%▲ 73.3%
July39.3%100.0%▲ 154.5%
August61.3%––
September64.3%––
October66.7%–in progress
November89.5%––
December76.5%––
Year-to-date average (Jan–Jul)69.5%78.4%▲ 12.8%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February00–
March00–
April00–
May00–
June00–
July30▼ 100.0%
August0––
September1––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)31▼ 66.7%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 98.8% 601
  • Cancelled 1.2% 7

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. MDW–DAL83 91.4%
  2. JAX–BWI61 41.4%
  3. LAS–SJC57 66.1%
  4. DTW–STL50 98.0%
  5. ATL–MDW42 87.8%
  6. PIT–DAL40 82.5%
  7. STL–TPA33 87.9%
  8. PHX–PDX33 33.3%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 68.4% 0
November 2024 28 27 92.6% 1
December 2024 29 28 89.3% 1
January 2025 11 11 100.0% 0
February 2025 17 17 94.1% 0
March 2025 29 29 82.8% 0
April 2025 35 35 68.6% 0
May 2025 33 33 54.6% 0
June 2025 32 32 46.9% 0
July 2025 31 28 39.3% 3
August 2025 31 31 61.3% 0
September 2025 29 28 64.3% 1
October 2025 27 27 66.7% 0
November 2025 19 19 89.5% 0
December 2025 17 17 76.5% 0
January 2026 30 29 86.2% 1
February 2026 45 45 84.4% 0
March 2026 6 6 100.0% 0
April 2026 35 35 51.4% 0
May 2026 42 42 45.2% 0
June 2026 32 32 81.3% 0
July 2026 31 31 100.0% 0

How to read this chart

Loading the guide…