WN3777

WN3777 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Baltimore to Albany. Of 462 departures recorded from October 2024 to July 2026, 71.8% 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
January208▼ 60.0%
February4712▼ 74.5%
March331▼ 97.0%
April2221▼ 4.5%
May2226▲ 18.2%
June2426▲ 8.3%
July27270.0%
August33––
September34––
October10–in progress
November3––
December–––
Year to date (Jan–Jul)195121▼ 37.9%

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
January80.0%62.5%▼ 21.9%
February76.6%50.0%▼ 34.7%
March69.7%100.0%▲ 43.5%
April77.3%100.0%▲ 29.4%
May90.9%92.3%▲ 1.5%
June58.3%50.0%▼ 14.3%
July50.0%41.7%▼ 16.7%
August54.6%––
September82.4%––
October60.0%–in progress
November33.3%––
December–––
Year-to-date average (Jan–Jul)71.8%70.9%▼ 1.3%

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–
July13▲ 200.0%
August0––
September0––
October0–in progress
November0––
December–––
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 99.1% 458
  • Cancelled 0.9% 4

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

On time, leg by leg

  1. BWI–ALB58 70.7%
  2. MDW–ATL51 50.0%
  3. BWI–MCO50 42.6%
  4. PHX–SNA46 80.4%
  5. PHX–DEN43 95.4%
  6. BWI–BNA39 92.3%
  7. IND–PHX37 78.4%
  8. BNA–HOU33 69.7%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 12 12 100.0% 0
November 2024 26 26 80.8% 0
December 2024 28 28 85.7% 0
January 2025 20 20 80.0% 0
February 2025 47 47 76.6% 0
March 2025 33 33 69.7% 0
April 2025 22 22 77.3% 0
May 2025 22 22 90.9% 0
June 2025 24 24 58.3% 0
July 2025 27 26 50.0% 1
August 2025 33 33 54.6% 0
September 2025 34 34 82.4% 0
October 2025 10 10 60.0% 0
November 2025 3 3 33.3% 0
January 2026 8 8 62.5% 0
February 2026 12 12 50.0% 0
March 2026 1 1 100.0% 0
April 2026 21 21 100.0% 0
May 2026 26 26 92.3% 0
June 2026 26 26 50.0% 0
July 2026 27 24 41.7% 3

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