Flight WN1387

Southwest Airlines flight WN1387

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Looking for WN1387 in the air…

San Jose (SJC) to Austin (AUS)

Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 52 minutes. It was cancelled 1.7% of the time.

On-time arrivals

78.0%

Less than 15 minutes late

Cancelled

1.7%

Of scheduled flights

Average delay when late

52 min

Flights arriving 15+ minutes late

Flights tracked

60

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 81%
• Airline (crew, maintenance, cleaning) 11%
• Extreme weather 4%
• Air traffic control & airport 3%
• Security 0%

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

Kailua-Kona (KOA) to Honolulu, Oahu (HNL)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 47 minutes. It was cancelled 0.0% of the time.

On-time arrivals

89.7%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

47 min

Flights arriving 15+ minutes late

Flights tracked

58

Scheduled flights in the period

What caused the delays

• Air traffic control & airport 63%
• Airline (crew, maintenance, cleaning) 23%
• Late-arriving aircraft 14%
• Extreme weather 0%
• Security 0%

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

St Louis (STL) to New York (LGA)

Historically, this flight arrives 15+ minutes late 57% of the time, and when it is late the delay averages 57 minutes. It was cancelled 8.7% of the time.

On-time arrivals

42.9%

Less than 15 minutes late

Cancelled

8.7%

Of scheduled flights

Average delay when late

57 min

Flights arriving 15+ minutes late

Flights tracked

23

Scheduled flights in the period

What caused the delays

• Air traffic control & airport 84%
• Airline (crew, maintenance, cleaning) 9%
• Late-arriving aircraft 7%
• Extreme weather 0%
• Security 0%

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

Dallas (DAL) to Albuquerque (ABQ)

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

On-time arrivals

85.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

35 min

Flights arriving 15+ minutes late

Flights tracked

20

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 68%
• Airline (crew, maintenance, cleaning) 32%
• Air traffic control & airport 0%
• Extreme weather 0%
• Security 0%

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

Birmingham (BHM) to Baltimore (BWI)

Only 16 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

16

Scheduled flights in the period

Orlando (MCO) to Birmingham (BHM)

Only 16 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

16

Scheduled flights in the period

Chicago (MDW) to Salt Lake City (SLC)

Only 14 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

14

Scheduled flights in the period

Austin (AUS) to San Jose (SJC)

Only 13 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

13

Scheduled flights in the period

Orlando (MCO) to Dallas (DAL)

Only 12 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

12

Scheduled flights in the period

Denver (DEN) to Phoenix (PHX)

Only 10 flights on record, which is too few for reliable odds.

On-time arrivals

90.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

27 min

Flights arriving 15+ minutes late

Flights tracked

10

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).

Orlando (MCO) to Baltimore (BWI)

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

On-time arrivals

66.7%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

143 min

Flights arriving 15+ minutes late

Flights tracked

9

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 43%
• Air traffic control & airport 41%
• Airline (crew, maintenance, cleaning) 16%
• Extreme weather 0%
• Security 0%

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

Baltimore (BWI) to Dallas (DAL)

Only 4 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

23 min

Flights arriving 15+ minutes late

Flights tracked

4

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 69%
• Airline (crew, maintenance, cleaning) 31%
• Air traffic control & airport 0%
• Extreme weather 0%
• Security 0%

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

Orlando (MCO) to Chicago (ORD)

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

Memphis (MEM) to Orlando (MCO)

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

San Antonio (SAT) to Houston (HOU)

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

Sep 2025 Aug 2026

Show as table

Month	On time	Flights
September 2025	100.0%	26
October 2025	100.0%	1
November 2025	82.8%	29
December 2025	76.7%	31
January 2026	74.2%	31
February 2026	96.4%	28
March 2026	65.5%	31
April 2026	50.0%	6
May 2026	100.0%	1
June 2026	100.0%	18
July 2026	91.3%	23
August 2026	87.9%	33

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