Route
BWI → MCI
Baltimore/Washington International Thurgood Marshall Airport Kansas City International Airport
How punctual is this route?
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 879
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 15%
- Extreme weather 6%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.1% | 86 |
| October 2025 | 87.5% | 89 |
| November 2025 | 88.9% | 63 |
| December 2025 | 66.7% | 69 |
| January 2026 | 87.7% | 60 |
| February 2026 | 88.0% | 53 |
| March 2026 | 80.3% | 62 |
| April 2026 | 84.1% | 63 |
| May 2026 | 70.1% | 67 |
| June 2026 | 62.8% | 87 |
| July 2026 | 72.1% | 91 |
| August 2026 | 65.9% | 89 |
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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 879 | 76.9% | 1.9% | 60 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1732
34% late · 62 flights
-
WN449
33% late · 58 flights
-
WN939
12% late · 55 flights
-
WN4215
2% late · 52 flights
-
WN3038
44% late · 51 flights
-
WN3379
7% late · 45 flights
-
WN3336
26% late · 43 flights
-
WN983
45% late · 36 flights
-
WN2334
3% late · 31 flights
-
WN2780
32% late · 31 flights
-
WN578
6% late · 31 flights
-
WN1980
22% late · 27 flights
-
WN1168
31% late · 26 flights
-
WN3101
9% late · 23 flights
-
WN1774
10% late · 21 flights
-
WN1948
5% late · 21 flights
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