WN27

WN27 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Dallas to Houston. Of 629 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.

Recorded departures by month

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

Months without data are left blank.

The most recent periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January306▼ 80.0%
February3332▼ 3.0%
March5222▼ 57.7%
April463▼ 93.5%
May46––
June5612▼ 78.6%
July6217▼ 72.6%
August56––
September57––
October28–in progress
November13––
December4––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

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

The most recent periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January82.1%83.3%▲ 1.4%
February81.8%93.6%▲ 14.3%
March76.0%85.7%▲ 12.8%
April79.1%100.0%▲ 26.5%
May75.6%––
June67.3%66.7%▼ 1.0%
July69.4%82.4%▲ 18.7%
August69.6%––
September76.8%––
October96.3%–in progress
November75.0%––
December75.0%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January20▼ 100.0%
February01–
March21▼ 50.0%
April30▼ 100.0%
May1––
June40▼ 100.0%
July00–
August0––
September1––
October1–in progress
November1––
December0––

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 97.1% 611
  • Cancelled 2.9% 18

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 29, 2026

On time, leg by leg

  1. DAL–HOU359 74.1%
  2. HOU–CRP48 70.8%
  3. MCO–DAL33 81.8%

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

Legs flown under this number

3
RoutesDistance (km)Avg delay On timeDepartures
DAL HOU Dallas Love Field – William P. Hobby Airport 386 16.4 min 74.1% 359
HOU CRP William P. Hobby Airport – Corpus Christi International Airport 301 19.4 min 70.8% 48
MCO DAL Orlando International Airport – Dallas Love Field 1,564 12.7 min 81.8% 33
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 14 14 57.1% 0
November 2024 22 22 81.8% 0
December 2024 18 17 70.6% 1
January 2025 30 28 82.1% 2
February 2025 33 33 81.8% 0
March 2025 52 50 76.0% 2
April 2025 46 43 79.1% 3
May 2025 46 45 75.6% 1
June 2025 56 52 67.3% 4
July 2025 62 62 69.4% 0
August 2025 56 56 69.6% 0
September 2025 57 56 76.8% 1
October 2025 28 27 96.3% 1
November 2025 13 12 75.0% 1
December 2025 4 4 75.0% 0
January 2026 6 6 83.3% 0
February 2026 32 31 93.6% 1
March 2026 22 21 85.7% 1
April 2026 3 3 100.0% 0
June 2026 12 12 66.7% 0
July 2026 17 17 82.4% 0

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