WN2850

WN2850 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Harlingen to Houston. Of 617 departures recorded from October 2024 to July 2026, 79.3% 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
January3168▲ 119.4%
February1853▲ 194.4%
March398▼ 79.5%
April4113▼ 68.3%
May3817▼ 55.3%
June3613▼ 63.9%
July3511▼ 68.6%
August8––
September3––
October22–in progress
November35––
December51––
Year to date (Jan–Jul)238183▼ 23.1%

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
January96.7%82.4%▼ 14.8%
February94.4%79.3%▼ 16.1%
March76.9%50.0%▼ 35.0%
April95.1%61.5%▼ 35.3%
May89.5%50.0%▼ 44.1%
June83.3%61.5%▼ 26.1%
July77.1%36.4%▼ 52.9%
August62.5%––
September100.0%––
October59.1%–in progress
November85.7%––
December60.0%––
Year-to-date average (Jan–Jul)87.6%60.1%▼ 31.3%

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
January10▼ 100.0%
February00–
March00–
April00–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)110.0%

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% 614
  • Cancelled 0.5% 3

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 26, 2026

On time, leg by leg

  1. HRL–HOU100 90.9%
  2. LAS–PSP47 78.7%
  3. HOU–MAF46 87.0%
  4. DAL–SJC45 84.4%
  5. MEM–HOU42 97.6%
  6. PHX–SAN32 68.8%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 21 21 100.0% 0
November 2024 28 28 92.9% 0
December 2024 28 28 82.1% 0
January 2025 31 30 96.7% 1
February 2025 18 18 94.4% 0
March 2025 39 39 76.9% 0
April 2025 41 41 95.1% 0
May 2025 38 38 89.5% 0
June 2025 36 36 83.3% 0
July 2025 35 35 77.1% 0
August 2025 8 8 62.5% 0
September 2025 3 3 100.0% 0
October 2025 22 22 59.1% 0
November 2025 35 35 85.7% 0
December 2025 51 50 60.0% 1
January 2026 68 68 82.4% 0
February 2026 53 53 79.3% 0
March 2026 8 8 50.0% 0
April 2026 13 13 61.5% 0
May 2026 17 16 50.0% 1
June 2026 13 13 61.5% 0
July 2026 11 11 36.4% 0

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