Flight WN4736
Southwest Airlines flight WN4736
Looking for WN4736 in the air…
Baltimore (BWI) to Manchester (MHT)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 114 minutes. It was cancelled 1.9% of the time.
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 114 min
- Flights arriving 15+ minutes late
- Flights tracked
- 52
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Extreme weather 33%
- Air traffic control & airport 11%
- Airline (crew, maintenance, cleaning) 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas (DAL) to Las Vegas (LAS)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 43 minutes. It was cancelled 6.4% of the time.
- On-time arrivals
- 95.5%
- Less than 15 minutes late
- Cancelled
- 6.4%
- Of scheduled flights
- Average delay when late
- 43 min
- Flights arriving 15+ minutes late
- Flights tracked
- 47
- 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).
San Jose (SJC) to Honolulu, Oahu (HNL)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 88.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 88%
- Air traffic control & airport 12%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Las Vegas (LAS) to Cleveland (CLE)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 91.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- 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).
Chicago (MDW) to Buffalo (BUF)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 72.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 89%
- Air traffic control & airport 11%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Albany (ALB) to Baltimore (BWI)
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
- 41 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 93%
- Airline (crew, maintenance, cleaning) 7%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| November 2025 | 80.0% | 5 |
| December 2025 | 90.0% | 11 |
| January 2026 | 92.3% | 29 |
| February 2026 | 85.7% | 28 |
| March 2026 | 100.0% | 4 |
| June 2026 | 82.6% | 23 |
| July 2026 | 73.1% | 27 |
| August 2026 | 92.3% | 14 |
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