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(WN) Southwest Airlines 1143 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(BDL) Bradley International Airport

Hartford, CT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
63%
Late
2
11%
Very Late
0
0%
Excessive
4
21%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
69.66666666666667
Standard Deviation
134.1
Min
0
Max
478

WN 1143 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 63%
Average Delay Time 69.66666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 69.66666666666667 min
This flight has an average delay of 69.66666666666667 minutes with a standard deviation of 134.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

Other Stops for WN 1143