WN512

WN512 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Austin to Dallas. Of 784 departures recorded from October 2024 to July 2026, 75.2% 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
January3231▼ 3.1%
February2035▲ 75.0%
March3635▼ 2.8%
April3252▲ 62.5%
May3157▲ 83.9%
June3433▼ 2.9%
July3431▼ 8.8%
August32––
September30––
October35–in progress
November62––
December61––
Year to date (Jan–Jul)219274▲ 25.1%

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
January86.7%75.9%▼ 12.5%
February95.0%65.7%▼ 30.8%
March91.7%28.6%▼ 68.8%
April90.6%90.0%▼ 0.7%
May100.0%87.7%▼ 12.3%
June71.9%78.8%▲ 9.6%
July76.5%96.8%▲ 26.5%
August84.4%––
September90.0%––
October74.3%–in progress
November43.6%––
December52.5%––
Year-to-date average (Jan–Jul)87.5%74.8%▼ 14.5%

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
January220.0%
February00–
March00–
April02–
May00–
June20▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)440.0%

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 98.9% 775
  • Cancelled 1.1% 9

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

On time, leg by leg

  1. AUS–DAL103 76.7%
  2. HNL–SAN58 93.1%
  3. PDX–DEN58 94.8%
  4. MCO–BHM58 91.4%
  5. SAT–DEN51 79.6%
  6. BHM–MDW49 87.8%
  7. SJC–SNA42 78.1%
  8. BNA–AUS42 90.5%

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

Legs flown under this number

12
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 7 7 85.7% 0
November 2024 30 30 76.7% 0
December 2024 34 33 66.7% 1
January 2025 32 30 86.7% 2
February 2025 20 20 95.0% 0
March 2025 36 36 91.7% 0
April 2025 32 32 90.6% 0
May 2025 31 31 100.0% 0
June 2025 34 32 71.9% 2
July 2025 34 34 76.5% 0
August 2025 32 32 84.4% 0
September 2025 30 30 90.0% 0
October 2025 35 35 74.3% 0
November 2025 62 62 43.6% 0
December 2025 61 61 52.5% 0
January 2026 31 29 75.9% 2
February 2026 35 35 65.7% 0
March 2026 35 35 28.6% 0
April 2026 52 50 90.0% 2
May 2026 57 57 87.7% 0
June 2026 33 33 78.8% 0
July 2026 31 31 96.8% 0

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