WN1564

WN1564 (Southwest Airlines) is a multi-stop service on 45 routes, busiest Pittsburgh to Baltimore. Of 831 departures recorded from October 2024 to July 2026, 75.7% 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
January3531▼ 11.4%
February4112▼ 70.7%
March7328▼ 61.6%
April5741▼ 28.1%
May5243▼ 17.3%
June3340▲ 21.2%
July3132▲ 3.2%
August38––
September39––
October40–in progress
November33––
December33––
Year to date (Jan–Jul)322227▼ 29.5%

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
January77.1%89.7%▲ 16.2%
February87.8%90.9%▲ 3.5%
March67.1%42.9%▼ 36.1%
April89.3%85.4%▼ 4.4%
May75.0%81.4%▲ 8.5%
June93.9%50.0%▼ 46.8%
July90.3%43.8%▼ 51.6%
August86.8%––
September89.7%––
October65.0%–in progress
November57.6%––
December63.6%––
Year-to-date average (Jan–Jul)82.9%69.1%▼ 16.6%

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
January02–
February01–
March00–
April10▼ 100.0%
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)13▲ 200.0%

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 99.5% 827
  • Cancelled 0.5% 4

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

On time, leg by leg

  1. PIT–BWI69 89.9%
  2. PHX–STL61 55.7%
  3. DAL–MAF57 82.5%
  4. LAS–BUR50 88.0%
  5. DEN–LAS47 38.3%
  6. ELP–DAL42 88.1%
  7. BUR–SMF42 100.0%
  8. DAL–ORD39 87.2%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 79.0% 0
November 2024 36 36 91.7% 0
December 2024 44 44 72.7% 0
January 2025 35 35 77.1% 0
February 2025 41 41 87.8% 0
March 2025 73 73 67.1% 0
April 2025 57 56 89.3% 1
May 2025 52 52 75.0% 0
June 2025 33 33 93.9% 0
July 2025 31 31 90.3% 0
August 2025 38 38 86.8% 0
September 2025 39 39 89.7% 0
October 2025 40 40 65.0% 0
November 2025 33 33 57.6% 0
December 2025 33 33 63.6% 0
January 2026 31 29 89.7% 2
February 2026 12 11 90.9% 1
March 2026 28 28 42.9% 0
April 2026 41 41 85.4% 0
May 2026 43 43 81.4% 0
June 2026 40 40 50.0% 0
July 2026 32 32 43.8% 0

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