WN4382

WN4382 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Baltimore to Fort Lauderdale. Of 689 departures recorded from October 2024 to July 2026, 71.7% 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
January2826▼ 7.1%
February2820▼ 28.6%
March926▲ 188.9%
April2437▲ 54.2%
May3239▲ 21.9%
June4832▼ 33.3%
July5231▼ 40.4%
August56––
September56––
October37–in progress
November29––
December31––
Year to date (Jan–Jul)221211▼ 4.5%

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
January84.6%88.5%▲ 4.5%
February77.8%95.0%▲ 22.1%
March66.7%69.2%▲ 3.8%
April83.3%59.5%▼ 28.6%
May62.5%71.8%▲ 14.9%
June58.3%61.3%▲ 5.1%
July69.2%51.7%▼ 25.3%
August85.7%––
September83.9%––
October54.1%–in progress
November58.6%––
December71.0%––
Year-to-date average (Jan–Jul)71.8%71.0%▼ 1.1%

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
January20▼ 100.0%
February10▼ 100.0%
March00–
April00–
May00–
June01–
July02–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)330.0%

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 99.1% 683
  • Cancelled 0.9% 6

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. BWI–FLL87 75.0%
  2. SMF–PHX64 64.1%
  3. SJC–SAN60 70.0%
  4. MDW–CLE58 72.4%
  5. ELP–AUS58 84.5%
  6. BWI–PWM58 52.7%
  7. SMF–SNA50 72.0%
  8. DEN–STL44 95.5%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 16 16 100.0% 0
November 2024 14 14 64.3% 0
December 2024 18 18 77.8% 0
January 2025 28 26 84.6% 2
February 2025 28 27 77.8% 1
March 2025 9 9 66.7% 0
April 2025 24 24 83.3% 0
May 2025 32 32 62.5% 0
June 2025 48 48 58.3% 0
July 2025 52 52 69.2% 0
August 2025 56 56 85.7% 0
September 2025 56 56 83.9% 0
October 2025 37 37 54.1% 0
November 2025 29 29 58.6% 0
December 2025 31 31 71.0% 0
January 2026 26 26 88.5% 0
February 2026 20 20 95.0% 0
March 2026 26 26 69.2% 0
April 2026 37 37 59.5% 0
May 2026 39 39 71.8% 0
June 2026 32 31 61.3% 1
July 2026 31 29 51.7% 2

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