WN2172

WN2172 (Southwest Airlines) is a multi-stop service on 24 routes, busiest St Louis to Tampa. Of 681 departures recorded from October 2024 to July 2026, 80.5% 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
January3132▲ 3.2%
February2628▲ 7.7%
March3427▼ 20.6%
April3132▲ 3.2%
May3135▲ 12.9%
June5830▼ 48.3%
July6731▼ 53.7%
August33––
September30––
October18–in progress
November22––
December20––
Year to date (Jan–Jul)278215▼ 22.7%

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
January79.3%83.3%▲ 5.1%
February76.9%75.0%▼ 2.5%
March85.3%100.0%▲ 17.2%
April93.6%84.4%▼ 9.8%
May74.2%82.9%▲ 11.7%
June84.5%93.3%▲ 10.5%
July71.6%96.8%▲ 35.1%
August69.7%––
September83.3%––
October83.3%–in progress
November66.7%––
December68.4%––
Year-to-date average (Jan–Jul)80.8%88.0%▲ 8.9%

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–
March02–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
December1––
Year to date (Jan–Jul)24▲ 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 98.8% 673
  • Cancelled 1.2% 8

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

On time, leg by leg

  1. STL–TPA118 75.0%
  2. LAS–TUL61 88.5%
  3. KOA–OGG58 94.8%
  4. HOU–TUL58 82.8%
  5. AUS–SFO58 83.9%
  6. FLL–MCO57 73.7%
  7. ELP–SAN42 88.1%
  8. DAL–LAS41 61.5%

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 6 6 66.7% 0
November 2024 29 29 86.2% 0
December 2024 30 30 56.7% 0
January 2025 31 29 79.3% 2
February 2025 26 26 76.9% 0
March 2025 34 34 85.3% 0
April 2025 31 31 93.6% 0
May 2025 31 31 74.2% 0
June 2025 58 58 84.5% 0
July 2025 67 67 71.6% 0
August 2025 33 33 69.7% 0
September 2025 30 30 83.3% 0
October 2025 18 18 83.3% 0
November 2025 22 21 66.7% 1
December 2025 20 19 68.4% 1
January 2026 32 30 83.3% 2
February 2026 28 28 75.0% 0
March 2026 27 25 100.0% 2
April 2026 32 32 84.4% 0
May 2026 35 35 82.9% 0
June 2026 30 30 93.3% 0
July 2026 31 31 96.8% 0

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