WN1841

WN1841 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Pittsburgh to Denver. Of 600 departures recorded from October 2024 to July 2026, 82.1% 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
January627▲ 350.0%
February1027▲ 170.0%
March2867▲ 139.3%
April3042▲ 40.0%
May3036▲ 20.0%
June307▼ 76.7%
July304▼ 86.7%
August30––
September30––
October31–in progress
November29––
December31––
Year to date (Jan–Jul)164210▲ 28.0%

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
January66.7%66.7%0.0%
February90.0%77.8%▼ 13.6%
March96.4%83.6%▼ 13.3%
April93.3%85.7%▼ 8.2%
May90.0%69.4%▼ 22.8%
June90.0%85.7%▼ 4.8%
July85.7%100.0%▲ 16.7%
August86.7%––
September86.7%––
October67.7%–in progress
November89.7%––
December80.0%––
Year-to-date average (Jan–Jul)87.4%81.3%▼ 7.1%

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
January00–
February00–
March00–
April00–
May00–
June00–
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)20▼ 100.0%

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% 597
  • Cancelled 0.5% 3

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 2026

On time, leg by leg

  1. PIT–DEN63 80.7%
  2. MDW–SFO60 68.3%
  3. IND–BWI60 86.2%
  4. BUR–OAK57 87.7%
  5. AUS–MDW57 93.0%
  6. LAS–BNA42 73.8%
  7. DEN–DAL42 92.9%
  8. LGB–LAS33 93.9%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 16 16 81.3% 0
November 2024 28 28 71.4% 0
December 2024 31 31 71.0% 0
January 2025 6 6 66.7% 0
February 2025 10 10 90.0% 0
March 2025 28 28 96.4% 0
April 2025 30 30 93.3% 0
May 2025 30 30 90.0% 0
June 2025 30 30 90.0% 0
July 2025 30 28 85.7% 2
August 2025 30 30 86.7% 0
September 2025 30 30 86.7% 0
October 2025 31 31 67.7% 0
November 2025 29 29 89.7% 0
December 2025 31 30 80.0% 1
January 2026 27 27 66.7% 0
February 2026 27 27 77.8% 0
March 2026 67 67 83.6% 0
April 2026 42 42 85.7% 0
May 2026 36 36 69.4% 0
June 2026 7 7 85.7% 0
July 2026 4 4 100.0% 0

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