WN1673

WN1673 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Las Vegas to Baltimore. Of 623 departures recorded from October 2024 to July 2026, 74.6% 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
January4426▼ 40.9%
February4341▼ 4.7%
March3831▼ 18.4%
April3130▼ 3.2%
May31310.0%
June347▼ 79.4%
July354▼ 88.6%
August42––
September43––
October34–in progress
November22––
December17––
Year to date (Jan–Jul)256170▼ 33.6%

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
January86.4%65.4%▼ 24.3%
February83.7%61.0%▼ 27.2%
March75.7%58.1%▼ 23.3%
April80.7%86.7%▲ 7.5%
May80.7%67.7%▼ 16.0%
June64.7%57.1%▼ 11.7%
July75.0%33.3%▼ 55.6%
August78.1%––
September95.4%––
October73.5%–in progress
November72.7%––
December56.3%––
Year-to-date average (Jan–Jul)78.1%61.3%▼ 21.5%

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
January00–
February00–
March10▼ 100.0%
April00–
May00–
June00–
July31▼ 66.7%
August1––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)41▼ 75.0%

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 98.4% 613
  • Cancelled 1.6% 10

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026

On time, leg by leg

  1. ROC–BWI58 81.0%
  2. LAS–BWI58 77.6%
  3. DAL–DEN57 86.0%
  4. SAN–SJC56 81.5%
  5. PHX–SMF49 65.3%
  6. BUR–HOU34 97.0%
  7. MDW–MSP30 76.7%

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 12 12 91.7% 0
November 2024 8 8 75.0% 0
December 2024 19 16 43.8% 3
January 2025 44 44 86.4% 0
February 2025 43 43 83.7% 0
March 2025 38 37 75.7% 1
April 2025 31 31 80.7% 0
May 2025 31 31 80.7% 0
June 2025 34 34 64.7% 0
July 2025 35 32 75.0% 3
August 2025 42 41 78.1% 1
September 2025 43 43 95.4% 0
October 2025 34 34 73.5% 0
November 2025 22 22 72.7% 0
December 2025 17 16 56.3% 1
January 2026 26 26 65.4% 0
February 2026 41 41 61.0% 0
March 2026 31 31 58.1% 0
April 2026 30 30 86.7% 0
May 2026 31 31 67.7% 0
June 2026 7 7 57.1% 0
July 2026 4 3 33.3% 1

How to read this chart

Loading the guide…