WN4966

WN4966 (Southwest Airlines) is a multi-stop service on 10 routes, busiest Nashville to Phoenix. Of 222 departures recorded from November 2024 to July 2026, 85.8% 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 periods10 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2426▲ 8.3%
February2456▲ 133.3%
March880.0%
April1––
May–––
June–16–
July–18–
August–––
September–––
October––in progress
November1––
December–––

according to the US BTS · November 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 periods10 periods
PeriodOn time 2025On time 2026Change vs last year
January95.8%100.0%▲ 4.4%
February95.7%75.9%▼ 20.6%
March75.0%75.0%0.0%
April100.0%––
May–––
June–75.0%–
July–83.3%–
August–––
September–––
October––in progress
November100.0%––
December–––

according to the US BTS · November 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · November 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods10 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February12▲ 100.0%
March00–
April0––
May–––
June–0–
July–0–
August–––
September–––
October––in progress
November0––
December–––

according to the US BTS · November 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 98.6% 219
  • Cancelled 1.4% 3

Share of all recorded flights in the period, all legs. · Nov 3, 2024 → Jul 31, 2026

On time, leg by leg

  1. BNA–PHX91 93.3%
  2. LGB–DEN55 94.6%
  3. BUR–SMF34 79.4%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
November 2024 22 22 77.3% 0
December 2024 18 18 100.0% 0
January 2025 24 24 95.8% 0
February 2025 24 23 95.7% 1
March 2025 8 8 75.0% 0
April 2025 1 1 100.0% 0
November 2025 1 1 100.0% 0
January 2026 26 26 100.0% 0
February 2026 56 54 75.9% 2
March 2026 8 8 75.0% 0
June 2026 16 16 75.0% 0
July 2026 18 18 83.3% 0

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