WN1031

WN1031 (Southwest Airlines) is a multi-stop service on 46 routes, busiest Phoenix to Kansas City. Of 941 departures recorded from October 2024 to July 2026, 76.4% 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
January3172▲ 132.3%
February4468▲ 54.5%
March3336▲ 9.1%
April3248▲ 50.0%
May3052▲ 73.3%
June3151▲ 64.5%
July3150▲ 61.3%
August31––
September30––
October14–in progress
November81––
December81––
Year to date (Jan–Jul)232377▲ 62.5%

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
January100.0%85.1%▼ 14.9%
February86.4%81.8%▼ 5.3%
March90.6%41.7%▼ 54.0%
April87.5%68.8%▼ 21.4%
May76.7%57.7%▼ 24.8%
June90.3%56.9%▼ 37.0%
July93.6%74.0%▼ 20.9%
August83.9%––
September76.7%––
October42.9%–in progress
November59.0%––
December76.5%––
Year-to-date average (Jan–Jul)89.3%66.6%▼ 25.5%

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
January25▲ 150.0%
February02–
March10▼ 100.0%
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)37▲ 133.3%

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 98.5% 927
  • Cancelled 1.5% 14

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

On time, leg by leg

  1. PHX–MCI120 98.3%
  2. BNA–DEN60 93.3%
  3. JAX–BNA58 79.3%
  4. BWI–SAV58 94.6%
  5. DEN–OMA50 64.0%
  6. SAV–BNA47 93.3%
  7. IND–LAS42 95.2%
  8. AUS–DAL41 60.0%

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 14 14 64.3% 0
November 2024 44 44 97.7% 0
December 2024 37 36 94.4% 1
January 2025 31 29 100.0% 2
February 2025 44 44 86.4% 0
March 2025 33 32 90.6% 1
April 2025 32 32 87.5% 0
May 2025 30 30 76.7% 0
June 2025 31 31 90.3% 0
July 2025 31 31 93.6% 0
August 2025 31 31 83.9% 0
September 2025 30 30 76.7% 0
October 2025 14 14 42.9% 0
November 2025 81 78 59.0% 3
December 2025 81 81 76.5% 0
January 2026 72 67 85.1% 5
February 2026 68 66 81.8% 2
March 2026 36 36 41.7% 0
April 2026 48 48 68.8% 0
May 2026 52 52 57.7% 0
June 2026 51 51 56.9% 0
July 2026 50 50 74.0% 0

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