WN873

WN873 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Austin to Nashville. Of 642 departures recorded from October 2024 to July 2026, 73.4% 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
January3514▼ 60.0%
February2812▼ 57.1%
March3524▼ 31.4%
April3137▲ 19.4%
May3139▲ 25.8%
June2232▲ 45.5%
July2330▲ 30.4%
August17––
September17––
October30–in progress
November34––
December38––
Year to date (Jan–Jul)205188▼ 8.3%

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
January94.1%58.3%▼ 38.0%
February89.3%100.0%▲ 12.0%
March68.6%82.6%▲ 20.5%
April93.6%81.1%▼ 13.3%
May93.6%64.1%▼ 31.5%
June86.4%25.0%▼ 71.1%
July60.9%50.0%▼ 17.9%
August52.9%––
September47.1%––
October46.7%–in progress
November64.7%––
December63.2%––
Year-to-date average (Jan–Jul)83.8%65.9%▼ 21.4%

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–
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)13▲ 200.0%

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 99.4% 638
  • Cancelled 0.6% 4

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

On time, leg by leg

  1. AUS–BNA118 94.0%
  2. SMF–PDX58 77.6%
  3. MCI–PNS58 94.8%
  4. BDL–MDW46 76.1%
  5. PVD–MDW43 72.1%
  6. LAS–CMH33 21.2%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 40 40 90.0% 0
December 2024 53 53 88.7% 0
January 2025 35 34 94.1% 1
February 2025 28 28 89.3% 0
March 2025 35 35 68.6% 0
April 2025 31 31 93.6% 0
May 2025 31 31 93.6% 0
June 2025 22 22 86.4% 0
July 2025 23 23 60.9% 0
August 2025 17 17 52.9% 0
September 2025 17 17 47.1% 0
October 2025 30 30 46.7% 0
November 2025 34 34 64.7% 0
December 2025 38 38 63.2% 0
January 2026 14 12 58.3% 2
February 2026 12 12 100.0% 0
March 2026 24 23 82.6% 1
April 2026 37 37 81.1% 0
May 2026 39 39 64.1% 0
June 2026 32 32 25.0% 0
July 2026 30 30 50.0% 0

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