WN874

WN874 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Birmingham to Dallas. Of 689 departures recorded from October 2024 to July 2026, 77.4% 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
January2731▲ 14.8%
February2813▼ 53.6%
March3236▲ 12.5%
April3042▲ 40.0%
May3043▲ 43.3%
June3827▼ 28.9%
July3927▼ 30.8%
August41––
September38––
October24–in progress
November27––
December29––
Year to date (Jan–Jul)224219▼ 2.2%

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
January92.0%87.1%▼ 5.3%
February96.4%83.3%▼ 13.6%
March68.8%72.2%▲ 5.0%
April96.7%83.3%▼ 13.8%
May93.3%90.7%▼ 2.8%
June47.4%92.6%▲ 95.5%
July41.0%92.6%▲ 125.7%
August68.3%––
September86.8%––
October50.0%–in progress
November46.2%––
December62.1%––
Year-to-date average (Jan–Jul)76.5%86.0%▲ 12.4%

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
January20▼ 100.0%
February01–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)21▼ 50.0%

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% 685
  • 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. BHM–DAL101 96.0%
  2. HOU–SMF61 50.8%
  3. MDW–HOU59 56.9%
  4. BWI–RSW57 82.5%
  5. BWI–RDU57 96.5%
  6. BWI–BNA50 92.0%
  7. ATL–MCO42 81.0%
  8. SJC–PHX33 72.7%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 26 26 84.6% 0
November 2024 30 30 96.7% 0
December 2024 31 31 83.9% 0
January 2025 27 25 92.0% 2
February 2025 28 28 96.4% 0
March 2025 32 32 68.8% 0
April 2025 30 30 96.7% 0
May 2025 30 30 93.3% 0
June 2025 38 38 47.4% 0
July 2025 39 39 41.0% 0
August 2025 41 41 68.3% 0
September 2025 38 38 86.8% 0
October 2025 24 24 50.0% 0
November 2025 27 26 46.2% 1
December 2025 29 29 62.1% 0
January 2026 31 31 87.1% 0
February 2026 13 12 83.3% 1
March 2026 36 36 72.2% 0
April 2026 42 42 83.3% 0
May 2026 43 43 90.7% 0
June 2026 27 27 92.6% 0
July 2026 27 27 92.6% 0

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