WN291

WN291 (Southwest Airlines) is a multi-stop service on 37 routes, busiest San Francisco to St Louis. Of 661 departures recorded from October 2024 to July 2026, 67.8% 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
January3110▼ 67.7%
February2818▼ 35.7%
March3325▼ 24.2%
April3026▼ 13.3%
May2226▲ 18.2%
June2838▲ 35.7%
July31310.0%
August46––
September48––
October32–in progress
November28––
December29––
Year to date (Jan–Jul)203174▼ 14.3%

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
January77.4%50.0%▼ 35.4%
February60.7%88.9%▲ 46.4%
March63.6%56.5%▼ 11.2%
April51.7%61.5%▲ 19.0%
May38.1%56.0%▲ 47.0%
June50.0%56.8%▲ 13.5%
July35.5%51.7%▲ 45.8%
August82.6%––
September77.1%––
October93.8%–in progress
November85.7%––
December75.0%––
Year-to-date average (Jan–Jul)53.9%60.2%▲ 11.8%

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
January00–
February00–
March02–
April10▼ 100.0%
May110.0%
June01–
July02–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)26▲ 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 98.6% 652
  • Cancelled 1.4% 9

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

On time, leg by leg

  1. SFO–STL75 70.7%
  2. AUS–MKE61 44.3%
  3. AMA–LAS49 75.5%
  4. DEN–DAL47 46.7%
  5. PHX–MDW42 63.4%
  6. OAK–LGB42 92.9%
  7. IND–DEN35 80.0%
  8. SMF–EUG33 54.6%

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 20 20 85.0% 0
November 2024 43 43 86.1% 0
December 2024 38 38 73.7% 0
January 2025 31 31 77.4% 0
February 2025 28 28 60.7% 0
March 2025 33 33 63.6% 0
April 2025 30 29 51.7% 1
May 2025 22 21 38.1% 1
June 2025 28 28 50.0% 0
July 2025 31 31 35.5% 0
August 2025 46 46 82.6% 0
September 2025 48 48 77.1% 0
October 2025 32 32 93.8% 0
November 2025 28 28 85.7% 0
December 2025 29 28 75.0% 1
January 2026 10 10 50.0% 0
February 2026 18 18 88.9% 0
March 2026 25 23 56.5% 2
April 2026 26 26 61.5% 0
May 2026 26 25 56.0% 1
June 2026 38 37 56.8% 1
July 2026 31 29 51.7% 2

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