WN4176

WN4176 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Raleigh to Dallas. Of 268 departures recorded from October 2024 to July 2026, 73.0% 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 periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–27–
February824▲ 200.0%
March128▲ 2,700.0%
April–6–
May1––
June1015▲ 50.0%
July1516▲ 6.7%
August5––
September4––
October22–in progress
November33––
December31––

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 periods16 periods
PeriodOn time 2025On time 2026Change vs last year
January–66.7%–
February62.5%62.5%0.0%
March0.0%50.0%–
April–66.7%–
May100.0%––
June40.0%60.0%▲ 50.0%
July53.3%50.0%▼ 6.2%
August80.0%––
September75.0%––
October95.5%–in progress
November93.8%––
December96.8%––

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 periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February00–
March00–
April–0–
May0––
June00–
July00–
August0––
September0––
October0–in progress
November1––
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 99.6% 267
  • Cancelled 0.4% 1

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

On time, leg by leg

  1. RDU–DAL64 98.4%
  2. DEN–SAN50 62.0%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
RDU DAL Raleigh-Durham International Airport – Dallas Love Field 1,689 -2.3 min 98.4% 64
DEN SAN Denver International Airport – San Diego International Airport 1,371 15.9 min 62.0% 50
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 2 2 100.0% 0
February 2025 8 8 62.5% 0
March 2025 1 1 0.0% 0
May 2025 1 1 100.0% 0
June 2025 10 10 40.0% 0
July 2025 15 15 53.3% 0
August 2025 5 5 80.0% 0
September 2025 4 4 75.0% 0
October 2025 22 22 95.5% 0
November 2025 33 32 93.8% 1
December 2025 31 31 96.8% 0
January 2026 27 27 66.7% 0
February 2026 24 24 62.5% 0
March 2026 28 28 50.0% 0
April 2026 6 6 66.7% 0
June 2026 15 15 60.0% 0
July 2026 16 16 50.0% 0

How to read this chart

Loading the guide…