Route
MCI → BWI
Kansas City International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 82.2%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 882
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 21%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.7% | 86 |
| October 2025 | 82.0% | 89 |
| November 2025 | 82.3% | 63 |
| December 2025 | 81.4% | 71 |
| January 2026 | 92.9% | 60 |
| February 2026 | 94.0% | 53 |
| March 2026 | 71.7% | 62 |
| April 2026 | 81.0% | 63 |
| May 2026 | 77.9% | 68 |
| June 2026 | 82.8% | 87 |
| July 2026 | 78.8% | 91 |
| August 2026 | 81.9% | 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 | 882 | 82.2% | 1.8% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3507
6% late · 64 flights
-
WN3012
7% late · 58 flights
-
WN3013
31% late · 58 flights
-
WN2536
8% late · 52 flights
-
WN1534
2% late · 47 flights
-
WN2064
23% late · 45 flights
-
WN1082
8% late · 42 flights
-
WN1399
50% late · 36 flights
-
WN1907
45% late · 33 flights
-
WN3796
15% late · 33 flights
-
WN3297
32% late · 31 flights
-
WN983
3% late · 31 flights
-
WN2486
11% late · 28 flights
-
WN4893
25% late · 28 flights
-
WN1037
11% late · 27 flights
-
WN4685
12% late · 25 flights
-
WN2487
9% late · 24 flights
-
WN5632
9% late · 23 flights
-
WN1973
0% late · 21 flights
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