WN2155

WN2155 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Las Vegas to Kansas City. Of 627 departures recorded from October 2024 to July 2026, 83.4% 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
January1422▲ 57.1%
February1137▲ 236.4%
March4012▼ 70.0%
April3416▼ 52.9%
May3118▼ 41.9%
June4225▼ 40.5%
July4231▼ 26.2%
August41––
September39––
October34–in progress
November33––
December40––
Year to date (Jan–Jul)214161▼ 24.8%

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
January85.7%79.0%▼ 7.9%
February90.9%97.2%▲ 6.9%
March92.5%54.6%▼ 41.0%
April85.3%62.5%▼ 26.7%
May87.1%61.1%▼ 29.8%
June64.3%100.0%▲ 55.5%
July73.8%90.3%▲ 22.4%
August87.8%––
September92.3%––
October88.2%–in progress
November93.6%––
December77.5%––
Year-to-date average (Jan–Jul)82.8%77.8%▼ 6.0%

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
January03–
February01–
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November2––
December0––
Year to date (Jan–Jul)05

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 98.9% 620
  • Cancelled 1.1% 7

Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026

On time, leg by leg

  1. LAS–MCI66 90.9%
  2. SAT–DAL55 90.9%
  3. MDW–PIT55 83.0%
  4. JAX–BNA49 100.0%
  5. BWI–IND42 95.2%
  6. SNA–PHX34 79.4%
  7. BNA–MSP34 61.8%
  8. IND–AUS33 84.9%

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 7 7 57.1% 0
November 2024 26 26 92.3% 0
December 2024 32 32 75.0% 0
January 2025 14 14 85.7% 0
February 2025 11 11 90.9% 0
March 2025 40 40 92.5% 0
April 2025 34 34 85.3% 0
May 2025 31 31 87.1% 0
June 2025 42 42 64.3% 0
July 2025 42 42 73.8% 0
August 2025 41 41 87.8% 0
September 2025 39 39 92.3% 0
October 2025 34 34 88.2% 0
November 2025 33 31 93.6% 2
December 2025 40 40 77.5% 0
January 2026 22 19 79.0% 3
February 2026 37 36 97.2% 1
March 2026 12 11 54.6% 1
April 2026 16 16 62.5% 0
May 2026 18 18 61.1% 0
June 2026 25 25 100.0% 0
July 2026 31 31 90.3% 0

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