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Flight WN4621

Southwest Airlines flight WN4621

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Looking for WN4621 in the air…

Nashville (BNA) to Albuquerque (ABQ)

Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 35 minutes. It was cancelled 0.0% of the time.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
35 min
Flights arriving 15+ minutes late
Flights tracked
52
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 60%
  • Late-arriving aircraft 31%
  • Air traffic control & airport 9%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Tulsa (TUL) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 51 minutes. It was cancelled 4.2% of the time.

On-time arrivals
84.8%
Less than 15 minutes late
Cancelled
4.2%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
48
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Air traffic control & airport 19%
  • Airline (crew, maintenance, cleaning) 12%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Houston (HOU) to Chicago (MDW)

Only 13 flights on record, which is too few for reliable odds.

On-time arrivals
53.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
79 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 64%
  • Airline (crew, maintenance, cleaning) 20%
  • Late-arriving aircraft 16%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

St Louis (STL) to Atlanta (ATL)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
40.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
54 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 70%
  • Airline (crew, maintenance, cleaning) 30%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Phoenix (PHX) to Oklahoma City (OKC)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 100%
  • Airline (crew, maintenance, cleaning) 0%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Nashville (BNA) to Indianapolis (IND)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
18 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 56%
  • Late-arriving aircraft 44%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Indianapolis (IND) to Fort Myers (RSW)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

In the news

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On-time arrivals by month
Nov 2025 Aug 2026
Show as table
MonthOn timeFlights
November 2025 25.0% 4
December 2025 50.0% 2
January 2026 90.0% 22
February 2026 79.2% 24
March 2026 69.2% 13
April 2026 33.3% 3
June 2026 47.8% 23
July 2026 51.9% 27
August 2026 66.7% 6

Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data

Latest airport & airline headlines

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Headlines found by Google News; stories open on the publisher's site.