WN336

WN336 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Houston to Indianapolis. Of 697 departures recorded from October 2024 to July 2026, 72.3% 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
January3328▼ 15.2%
February2827▼ 3.6%
March31310.0%
April3038▲ 26.7%
May3238▲ 18.8%
June3052▲ 73.3%
July3053▲ 76.7%
August16––
September13––
October18–in progress
November41––
December45––
Year to date (Jan–Jul)214267▲ 24.8%

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
January81.3%96.2%▲ 18.3%
February82.1%100.0%▲ 21.7%
March83.9%87.1%▲ 3.9%
April93.3%65.8%▼ 29.5%
May87.5%55.3%▼ 36.8%
June90.0%30.8%▼ 65.8%
July86.7%28.3%▼ 67.3%
August75.0%––
September53.9%––
October88.9%–in progress
November65.9%––
December66.7%––
Year-to-date average (Jan–Jul)86.4%66.2%▼ 23.4%

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
January12▲ 100.0%
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)12▲ 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 99.6% 694
  • Cancelled 0.4% 3

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

On time, leg by leg

  1. HOU–IND129 81.3%
  2. ATL–CMH64 71.9%
  3. SJC–DAL60 88.3%
  4. MCO–IND57 91.2%
  5. AUS–LAX53 96.1%
  6. AUS–LBB34 17.7%
  7. SAN–BNA33 87.9%
  8. MIA–AUS33 21.2%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 14 14 85.7% 0
November 2024 34 34 85.3% 0
December 2024 35 35 82.9% 0
January 2025 33 32 81.3% 1
February 2025 28 28 82.1% 0
March 2025 31 31 83.9% 0
April 2025 30 30 93.3% 0
May 2025 32 32 87.5% 0
June 2025 30 30 90.0% 0
July 2025 30 30 86.7% 0
August 2025 16 16 75.0% 0
September 2025 13 13 53.9% 0
October 2025 18 18 88.9% 0
November 2025 41 41 65.9% 0
December 2025 45 45 66.7% 0
January 2026 28 26 96.2% 2
February 2026 27 27 100.0% 0
March 2026 31 31 87.1% 0
April 2026 38 38 65.8% 0
May 2026 38 38 55.3% 0
June 2026 52 52 30.8% 0
July 2026 53 53 28.3% 0

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