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Flight WN1137

Southwest Airlines flight WN1137

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Looking for WN1137 in the air…

Alerts at this flight's airports

  • Advisory Coastal Flood Statement FLL

    COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING

    Weather

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

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Bozeman (BZN) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 40% of the time, and when it is late the delay averages 75 minutes. It was cancelled 0.0% of the time.

On-time arrivals
59.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
75 min
Flights arriving 15+ minutes late
Flights tracked
52
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 86%
  • Air traffic control & airport 10%
  • Airline (crew, maintenance, cleaning) 3%
  • Extreme weather 0%
  • Security 0%

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

St Louis (STL) to New Orleans (MSY)

Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.0% of the time.

On-time arrivals
87.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 84%
  • Airline (crew, maintenance, cleaning) 15%
  • Air traffic control & airport 1%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Buffalo (BUF)

Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 54 minutes. It was cancelled 0.0% of the time.

On-time arrivals
64.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
54 min
Flights arriving 15+ minutes late
Flights tracked
34
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 60%
  • Late-arriving aircraft 25%
  • Air traffic control & airport 15%
  • Extreme weather 0%
  • Security 0%

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

Tampa (TPA) to St Louis (STL)

Historically, this flight arrives 15+ minutes late 3% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.

On-time arrivals
96.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
53 min
Flights arriving 15+ minutes late
Flights tracked
31
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).

Salt Lake City (SLC) to Austin (AUS)

Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 44 minutes. It was cancelled 3.6% of the time.

On-time arrivals
66.7%
Less than 15 minutes late
Cancelled
3.6%
Of scheduled flights
Average delay when late
44 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 75%
  • Airline (crew, maintenance, cleaning) 15%
  • Air traffic control & airport 10%
  • Extreme weather 0%
  • Security 0%

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

Baltimore (BWI) to Fort Lauderdale (FLL)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 68 minutes. It was cancelled 0.0% of the time.

On-time arrivals
83.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
68 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Extreme weather 36%
  • Airline (crew, maintenance, cleaning) 33%
  • Air traffic control & airport 31%
  • Late-arriving aircraft 0%
  • Security 0%

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

Tucson (TUS) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 47 minutes. It was cancelled 0.0% of the time.

On-time arrivals
59.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
47 min
Flights arriving 15+ minutes late
Flights tracked
22
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 67%
  • Air traffic control & airport 29%
  • Extreme weather 3%
  • Airline (crew, maintenance, cleaning) 1%
  • Security 0%

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

Houston (HOU) to Tulsa (TUL)

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

On-time arrivals
61.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
18
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 82%
  • Airline (crew, maintenance, cleaning) 14%
  • Air traffic control & airport 4%
  • Extreme weather 0%
  • Security 0%

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

Midland (MAF) to Las Vegas (LAS)

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

On-time arrivals
61.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
28 min
Flights arriving 15+ minutes late
Flights tracked
18
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 76%
  • Airline (crew, maintenance, cleaning) 22%
  • Air traffic control & airport 2%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Reno (RNO)

Only 16 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
62 min
Flights arriving 15+ minutes late
Flights tracked
16
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).

Indianapolis (IND) to Denver (DEN)

Only 12 flights on record, which is too few for reliable odds.

On-time arrivals
83.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
41 min
Flights arriving 15+ minutes late
Flights tracked
12
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 54%
  • Airline (crew, maintenance, cleaning) 46%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to El Paso (ELP)

Only 9 flights on record, which is too few for reliable odds.

On-time arrivals
55.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
40 min
Flights arriving 15+ minutes late
Flights tracked
9
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 78%
  • Airline (crew, maintenance, cleaning) 22%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Buffalo (BUF) to Orlando (MCO)

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
51 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 54%
  • Late-arriving aircraft 34%
  • Airline (crew, maintenance, cleaning) 12%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Phoenix (PHX)

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

On-time arrivals
87.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
34 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

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

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

Milwaukee (MKE) to Phoenix (PHX)

Only 8 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
8
Scheduled flights in the period

Ontario (ONT) to Las Vegas (LAS)

Only 8 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
8
Scheduled flights in the period

Tampa (TPA) to Chicago (MDW)

Only 6 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
6
Scheduled flights in the period

Washington (DCA) to Las Vegas (LAS)

Only 4 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
4
Scheduled flights in the period

Phoenix (PHX) to Nashville (BNA)

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

On-time arrivals
66.7%
Less than 15 minutes late
Cancelled
25.0%
Of scheduled flights
Average delay when late
36 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 57%
  • Air traffic control & airport 33%
  • Late-arriving aircraft 10%
  • Extreme weather 0%
  • Security 0%

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

Raleigh/Durham (RDU) to Nashville (BNA)

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

What caused the delays

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

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

Oakland (OAK) to Ontario (ONT)

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

Detroit (DTW) to St Louis (STL)

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
34 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 59%
  • Air traffic control & airport 41%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Midland (MAF) to Austin (AUS)

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
45 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

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

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

Phoenix (PHX) to Honolulu, Oahu (HNL)

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

Phoenix (PHX) to Seattle (SEA)

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
On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 96.7% 30
October 2025 60.9% 23
November 2025 80.6% 31
December 2025 77.4% 31
January 2026 76.9% 14
February 2026 94.4% 18
March 2026 62.5% 25
April 2026 80.0% 40
May 2026 63.6% 44
June 2026 53.8% 39
July 2026 68.3% 41
August 2026 87.1% 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

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