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Flight WN449

Southwest Airlines flight WN449

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  • Advisory Coastal Flood Advisory OAK, SFO, SQL, STS

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Atlanta (ATL) to St Louis (STL)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 75 minutes. It was cancelled 1.1% of the time.

On-time arrivals
94.7%
Less than 15 minutes late
Cancelled
1.1%
Of scheduled flights
Average delay when late
75 min
Flights arriving 15+ minutes late
Flights tracked
95
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 75%
  • Late-arriving aircraft 19%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Baltimore (BWI) to Kansas City (MCI)

Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 77 minutes. It was cancelled 0.0% of the time.

On-time arrivals
67.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
77 min
Flights arriving 15+ minutes late
Flights tracked
58
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 54%
  • Airline (crew, maintenance, cleaning) 17%
  • Air traffic control & airport 15%
  • Extreme weather 13%
  • Security 0%

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

Denver (DEN) to Raleigh/Durham (RDU)

Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 70 minutes. It was cancelled 6.4% of the time.

On-time arrivals
84.1%
Less than 15 minutes late
Cancelled
6.4%
Of scheduled flights
Average delay when late
70 min
Flights arriving 15+ minutes late
Flights tracked
47
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 47%
  • Airline (crew, maintenance, cleaning) 39%
  • Air traffic control & airport 13%
  • Extreme weather 0%
  • Security 0%

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

Jacksonville (JAX) to St Louis (STL)

Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 64 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
64 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 62%
  • Extreme weather 18%
  • Airline (crew, maintenance, cleaning) 15%
  • Air traffic control & airport 3%
  • Security 2%

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

Phoenix (PHX) to Austin (AUS)

Historically, this flight arrives 15+ minutes late 42% of the time, and when it is late the delay averages 36 minutes. It was cancelled 0.0% of the time.

On-time arrivals
57.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
36 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 49%
  • Airline (crew, maintenance, cleaning) 42%
  • Air traffic control & airport 10%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Austin (AUS)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 35 minutes. It was cancelled 0.0% of the time.

On-time arrivals
70.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
35 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 66%
  • Airline (crew, maintenance, cleaning) 22%
  • Air traffic control & airport 12%
  • Extreme weather 0%
  • Security 0%

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

Chicago (MDW) to Minneapolis (MSP)

Historically, this flight arrives 15+ minutes late 60% of the time, and when it is late the delay averages 74 minutes. It was cancelled 16.7% of the time.

On-time arrivals
40.0%
Less than 15 minutes late
Cancelled
16.7%
Of scheduled flights
Average delay when late
74 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 64%
  • Airline (crew, maintenance, cleaning) 24%
  • Extreme weather 10%
  • Air traffic control & airport 2%
  • Security 0%

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

Phoenix (PHX) to Chicago (MDW)

Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 71 minutes. It was cancelled 8.7% of the time.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
8.7%
Of scheduled flights
Average delay when late
71 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 46%
  • Airline (crew, maintenance, cleaning) 34%
  • Late-arriving aircraft 20%
  • Extreme weather 0%
  • Security 0%

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

St Louis (STL) to Kansas City (MCI)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 81 minutes. It was cancelled 0.0% of the time.

On-time arrivals
95.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
81 min
Flights arriving 15+ minutes late
Flights tracked
20
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 80%
  • Airline (crew, maintenance, cleaning) 20%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Orlando (MCO) to Baltimore (BWI)

Only 18 flights on record, which is too few for reliable odds.

On-time arrivals
72.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
94 min
Flights arriving 15+ minutes late
Flights tracked
18
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 55%
  • Airline (crew, maintenance, cleaning) 24%
  • Late-arriving aircraft 21%
  • Extreme weather 0%
  • Security 0%

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

Oakland (OAK) to Ontario (ONT)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
31.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
36 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 87%
  • Airline (crew, maintenance, cleaning) 13%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Austin (AUS) to Phoenix (PHX)

Only 8 flights on record, which is too few for reliable odds.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 68%
  • Airline (crew, maintenance, cleaning) 26%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Nashville (BNA) to Austin (AUS)

Only 8 flights on record, which is too few for reliable odds.

On-time arrivals
62.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
43 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 46%
  • Air traffic control & airport 32%
  • Late-arriving aircraft 22%
  • Extreme weather 0%
  • Security 0%

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

Chicago (MDW) to St Louis (STL)

Only 8 flights on record, which is too few for reliable odds.

On-time arrivals
42.9%
Less than 15 minutes late
Cancelled
12.5%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 57%
  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Portland (PDX)

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
41 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 57%
  • Late-arriving aircraft 43%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

St Louis (STL) to Portland (PDX)

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
15 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 87%
  • Late-arriving aircraft 13%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (MDW) to Tampa (TPA)

Only 3 flights 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
3
Scheduled flights in the period

Austin (AUS) to St Louis (STL)

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

Denver (DEN) to Indianapolis (IND)

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

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 91.2% 34
October 2025 59.3% 27
November 2025 94.6% 38
December 2025 95.1% 41
January 2026 93.1% 32
February 2026 65.7% 35
March 2026 51.1% 51
April 2026 76.9% 41
May 2026 53.8% 39
June 2026 53.1% 32
July 2026 41.9% 31
August 2026 71.0% 31

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.