WN2637

WN2637 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Baltimore to Pittsburgh. Of 510 departures recorded from October 2024 to July 2026, 74.1% 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
January134▼ 69.2%
February1711▼ 35.3%
March228▲ 1,300.0%
April2319▼ 17.4%
May3118▼ 41.9%
June6628▼ 57.6%
July7531▼ 58.7%
August8––
September–––
October4–in progress
November27––
December29––
Year to date (Jan–Jul)227139▼ 38.8%

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
January76.9%100.0%▲ 30.0%
February64.7%45.5%▼ 29.8%
March0.0%42.9%–
April87.0%52.6%▼ 39.5%
May67.7%61.1%▼ 9.8%
June69.7%82.1%▲ 17.8%
July68.0%90.0%▲ 32.4%
August37.5%––
September–––
October75.0%–in progress
November100.0%––
December100.0%––
Year-to-date average (Jan–Jul)62.0%67.7%▲ 9.3%

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
January00–
February00–
March00–
April00–
May00–
June00–
July01–
August0––
September–––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)01

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 99.8% 509
  • Cancelled 0.2% 1

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

On time, leg by leg

  1. BWI–PIT58 75.9%
  2. OKC–HOU46 100.0%
  3. MCO–HOU42 87.8%
  4. LBB–DAL42 73.8%
  5. MSY–MCO35 51.4%
  6. SRQ–BNA33 48.5%
  7. STL–DCA32 53.1%

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 20 20 100.0% 0
November 2024 22 22 77.3% 0
December 2024 34 34 79.4% 0
January 2025 13 13 76.9% 0
February 2025 17 17 64.7% 0
March 2025 2 2 0.0% 0
April 2025 23 23 87.0% 0
May 2025 31 31 67.7% 0
June 2025 66 66 69.7% 0
July 2025 75 75 68.0% 0
August 2025 8 8 37.5% 0
October 2025 4 4 75.0% 0
November 2025 27 27 100.0% 0
December 2025 29 29 100.0% 0
January 2026 4 4 100.0% 0
February 2026 11 11 45.5% 0
March 2026 28 28 42.9% 0
April 2026 19 19 52.6% 0
May 2026 18 18 61.1% 0
June 2026 28 28 82.1% 0
July 2026 31 30 90.0% 1

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