WN3994

WN3994 (Southwest Airlines) is a multi-stop service on 16 routes, busiest New York to Kansas City. Of 434 departures recorded from October 2024 to July 2026, 71.0% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January284▼ 85.7%
February26––
March2327▲ 17.4%
April1730▲ 76.5%
May1731▲ 82.4%
June619▲ 216.7%
July418▲ 350.0%
August1––
September–––
October30–in progress
November49––
December28––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January88.0%100.0%▲ 13.6%
February80.8%––
March30.4%74.1%▲ 143.4%
April52.9%86.7%▲ 63.7%
May76.5%87.1%▲ 13.9%
June33.3%15.8%▼ 52.6%
July50.0%16.7%▼ 66.7%
August100.0%––
September–––
October93.3%–in progress
November74.5%––
December85.7%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January30▼ 100.0%
February0––
March00–
April00–
May00–
June00–
July00–
August0––
September–––
October0–in progress
November2––
December0––

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% 428
  • Cancelled 1.4% 6

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

On time, leg by leg

  1. LGA–MCI110 74.5%
  2. RDU–MCO58 84.5%
  3. SMF–ONT45 86.7%
  4. STS–SAN34 14.7%
  5. MCO–BWI31 93.6%
  6. HOU–LGB31 67.7%

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 95.0% 0
November 2024 27 27 77.8% 0
December 2024 29 28 60.7% 1
January 2025 28 25 88.0% 3
February 2025 26 26 80.8% 0
March 2025 23 23 30.4% 0
April 2025 17 17 52.9% 0
May 2025 17 17 76.5% 0
June 2025 6 6 33.3% 0
July 2025 4 4 50.0% 0
August 2025 1 1 100.0% 0
October 2025 30 30 93.3% 0
November 2025 49 47 74.5% 2
December 2025 28 28 85.7% 0
January 2026 4 4 100.0% 0
March 2026 27 27 74.1% 0
April 2026 30 30 86.7% 0
May 2026 31 31 87.1% 0
June 2026 19 19 15.8% 0
July 2026 18 18 16.7% 0

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