WN3864

WN3864 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Dallas to Baltimore. Of 458 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January426▼ 85.7%
February3310▼ 69.7%
March3628▼ 22.2%
April316▼ 80.6%
May31––
June816▲ 100.0%
July518▲ 260.0%
August23––
September25––
October26–in progress
November41––
December33––

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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January82.5%50.0%▼ 39.4%
February66.7%80.0%▲ 20.0%
March69.4%65.4%▼ 5.8%
April83.9%83.3%▼ 0.6%
May74.2%––
June37.5%31.3%▼ 16.7%
July40.0%50.0%▲ 25.0%
August100.0%––
September96.0%––
October69.2%–in progress
November58.5%––
December48.5%––

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 periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January20▼ 100.0%
February00–
March02–
April00–
May0––
June00–
July00–
August0––
September0––
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 99.1% 454
  • Cancelled 0.9% 4

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. DAL–BWI62 72.1%
  2. OAK–BUR58 53.5%
  3. STL–MSY50 76.0%
  4. OAK–ONT39 97.4%
  5. SNA–SJC34 41.2%
  6. MCO–PIT33 78.8%
  7. AUS–MCO33 67.7%

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 11 11 72.7% 0
November 2024 17 17 82.4% 0
December 2024 12 12 91.7% 0
January 2025 42 40 82.5% 2
February 2025 33 33 66.7% 0
March 2025 36 36 69.4% 0
April 2025 31 31 83.9% 0
May 2025 31 31 74.2% 0
June 2025 8 8 37.5% 0
July 2025 5 5 40.0% 0
August 2025 23 23 100.0% 0
September 2025 25 25 96.0% 0
October 2025 26 26 69.2% 0
November 2025 41 41 58.5% 0
December 2025 33 33 48.5% 0
January 2026 6 6 50.0% 0
February 2026 10 10 80.0% 0
March 2026 28 26 65.4% 2
April 2026 6 6 83.3% 0
June 2026 16 16 31.3% 0
July 2026 18 18 50.0% 0

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