WN2503

WN2503 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Tampa to Chicago. Of 596 departures recorded from October 2024 to July 2026, 79.8% 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
January31310.0%
February4418▼ 59.1%
March3330▼ 9.1%
April730▲ 328.6%
May–31–
June2630▲ 15.4%
July31310.0%
August27––
September26––
October31–in progress
November29––
December31––

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
January83.9%87.1%▲ 3.9%
February83.7%83.3%▼ 0.5%
March90.6%96.7%▲ 6.7%
April100.0%93.3%▼ 6.7%
May–96.8%–
June15.4%100.0%▲ 550.2%
July41.9%96.8%▲ 130.7%
August70.4%––
September53.9%––
October34.5%–in progress
November89.7%––
December96.8%––

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–
February10▼ 100.0%
March10▼ 100.0%
April30▼ 100.0%
May–0–
June00–
July00–
August0––
September0––
October2–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 98.8% 589
  • Cancelled 1.2% 7

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. TPA–MDW110 85.3%
  2. TPA–HOU64 93.8%
  3. LGB–SMF58 98.3%
  4. ITO–HNL58 96.6%
  5. BNA–PHX51 25.5%
  6. DEN–LGA50 66.0%
  7. DEN–MKE47 87.2%
  8. MDW–DAL33 89.7%

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 23 23 91.3% 0
November 2024 27 27 100.0% 0
December 2024 29 29 75.9% 0
January 2025 31 31 83.9% 0
February 2025 44 43 83.7% 1
March 2025 33 32 90.6% 1
April 2025 7 4 100.0% 3
June 2025 26 26 15.4% 0
July 2025 31 31 41.9% 0
August 2025 27 27 70.4% 0
September 2025 26 26 53.9% 0
October 2025 31 29 34.5% 2
November 2025 29 29 89.7% 0
December 2025 31 31 96.8% 0
January 2026 31 31 87.1% 0
February 2026 18 18 83.3% 0
March 2026 30 30 96.7% 0
April 2026 30 30 93.3% 0
May 2026 31 31 96.8% 0
June 2026 30 30 100.0% 0
July 2026 31 31 96.8% 0

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