WN2142

WN2142 (Southwest Airlines) is a multi-stop service on 42 routes, busiest Las Vegas to Baltimore. Of 746 departures recorded from October 2024 to July 2026, 75.3% 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
January3149▲ 58.1%
February2840▲ 42.9%
March6733▼ 50.7%
April4530▼ 33.3%
May4231▼ 26.2%
June2622▼ 15.4%
July2621▼ 19.2%
August30––
September30––
October23–in progress
November29––
December38––
Year to date (Jan–Jul)265226▼ 14.7%

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
January56.7%89.8%▲ 58.5%
February78.6%77.5%▼ 1.4%
March84.9%50.0%▼ 41.1%
April80.0%63.3%▼ 20.8%
May97.6%67.7%▼ 30.6%
June84.6%45.5%▼ 46.3%
July92.3%61.9%▼ 32.9%
August66.7%––
September76.7%––
October60.9%–in progress
November89.3%––
December79.0%––
Year-to-date average (Jan–Jul)82.1%65.1%▼ 20.7%

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
January10▼ 100.0%
February00–
March110.0%
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 99.5% 742
  • Cancelled 0.5% 4

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. LAS–BWI104 69.9%
  2. DAL–DEN59 87.9%
  3. BWI–LAX58 70.7%
  4. PHX–SFO47 72.3%
  5. MDW–DEN42 95.2%
  6. BOS–BWI39 71.8%
  7. MSP–BNA33 40.6%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 39 39 82.1% 0
November 2024 32 32 65.6% 0
December 2024 34 34 64.7% 0
January 2025 31 30 56.7% 1
February 2025 28 28 78.6% 0
March 2025 67 66 84.9% 1
April 2025 45 45 80.0% 0
May 2025 42 42 97.6% 0
June 2025 26 26 84.6% 0
July 2025 26 26 92.3% 0
August 2025 30 30 66.7% 0
September 2025 30 30 76.7% 0
October 2025 23 23 60.9% 0
November 2025 29 28 89.3% 1
December 2025 38 38 79.0% 0
January 2026 49 49 89.8% 0
February 2026 40 40 77.5% 0
March 2026 33 32 50.0% 1
April 2026 30 30 63.3% 0
May 2026 31 31 67.7% 0
June 2026 22 22 45.5% 0
July 2026 21 21 61.9% 0

How to read this chart

Loading the guide…