WN4730

WN4730 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Dallas to Denver. Of 184 departures recorded from October 2024 to July 2026, 70.3% 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 periods13 periods
PeriodDepartures 2025Departures 2026Change vs last year
January51▼ 80.0%
February94▼ 55.6%
March2––
April–––
May–––
June2615▼ 42.3%
July3116▼ 48.4%
August4––
September–––
October41–in progress
November4––
December2––

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 periods12 periods
PeriodOn time 2025On time 2026Change vs last year
January100.0%––
February88.9%100.0%▲ 12.5%
March50.0%––
April–––
May–––
June57.7%40.0%▼ 30.7%
July63.3%68.8%▲ 8.6%
August75.0%––
September–––
October73.2%–in progress
November50.0%––
December0.0%––

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 periods13 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February00–
March0––
April–––
May–––
June00–
July10▼ 100.0%
August0––
September–––
October0–in progress
November0––
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 98.9% 182
  • Cancelled 1.1% 2

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026

On time, leg by leg

  1. DAL–DEN61 61.7%
  2. ORD–DEN31 77.4%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
DAL DEN Dallas Love Field – Denver International Airport 1,048 23.5 min 61.7% 61
ORD DEN Chicago O'Hare International Airport – Denver International Airport 1,426 8.5 min 77.4% 31
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 100.0% 0
November 2024 2 2 100.0% 0
December 2024 5 5 100.0% 0
January 2025 5 5 100.0% 0
February 2025 9 9 88.9% 0
March 2025 2 2 50.0% 0
June 2025 26 26 57.7% 0
July 2025 31 30 63.3% 1
August 2025 4 4 75.0% 0
October 2025 41 41 73.2% 0
November 2025 4 4 50.0% 0
December 2025 2 2 0.0% 0
January 2026 1 0 — 1
February 2026 4 4 100.0% 0
June 2026 15 15 40.0% 0
July 2026 16 16 68.8% 0

How to read this chart

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