WN2039

WN2039 (Southwest Airlines) is a multi-stop service on 28 routes, busiest San Antonio to Chicago. Of 635 departures recorded from October 2024 to July 2026, 76.6% 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
January1032▲ 220.0%
February1528▲ 86.7%
March2431▲ 29.2%
April2627▲ 3.8%
May2726▼ 3.7%
June3330▼ 9.1%
July3631▼ 13.9%
August31––
September30––
October34–in progress
November30––
December38––
Year to date (Jan–Jul)171205▲ 19.9%

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
January80.0%81.3%▲ 1.6%
February100.0%96.4%▼ 3.6%
March87.5%61.3%▼ 30.0%
April84.0%85.2%▲ 1.4%
May63.0%96.2%▲ 52.7%
June90.6%90.0%▼ 0.7%
July83.3%96.8%▲ 16.1%
August48.4%––
September60.0%––
October47.1%–in progress
November63.3%––
December42.1%––
Year-to-date average (Jan–Jul)84.1%86.7%▲ 3.2%

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
January00–
February00–
March00–
April10▼ 100.0%
May00–
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)20▼ 100.0%

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 99.7% 633
  • Cancelled 0.3% 2

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

On time, leg by leg

  1. SAT–MDW64 89.1%
  2. MDW–PDX59 57.6%
  3. ITO–HNL58 93.1%
  4. SLC–DEN58 55.2%
  5. PHX–LAS50 75.0%
  6. TPA–BWI49 95.9%
  7. OMA–BNA43 79.1%
  8. LAX–HOU33 54.6%

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 39 39 92.3% 0
November 2024 29 29 79.3% 0
December 2024 28 28 85.7% 0
January 2025 10 10 80.0% 0
February 2025 15 15 100.0% 0
March 2025 24 24 87.5% 0
April 2025 26 25 84.0% 1
May 2025 27 27 63.0% 0
June 2025 33 32 90.6% 1
July 2025 36 36 83.3% 0
August 2025 31 31 48.4% 0
September 2025 30 30 60.0% 0
October 2025 34 34 47.1% 0
November 2025 30 30 63.3% 0
December 2025 38 38 42.1% 0
January 2026 32 32 81.3% 0
February 2026 28 28 96.4% 0
March 2026 31 31 61.3% 0
April 2026 27 27 85.2% 0
May 2026 26 26 96.2% 0
June 2026 30 30 90.0% 0
July 2026 31 31 96.8% 0

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