Route
MSY → BWI
Louis Armstrong New Orleans International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 79.0%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,135
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 15%
- Extreme weather 3%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.5% | 96 |
| October 2025 | 76.3% | 114 |
| November 2025 | 78.4% | 111 |
| December 2025 | 86.7% | 114 |
| January 2026 | 82.2% | 76 |
| February 2026 | 83.8% | 79 |
| March 2026 | 73.4% | 97 |
| April 2026 | 86.9% | 100 |
| May 2026 | 77.4% | 93 |
| June 2026 | 76.7% | 86 |
| July 2026 | 70.9% | 89 |
| August 2026 | 65.8% | 80 |
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 | 1,027 | 79.0% | 1.1% | 59 min |
| NK | 90 | 78.9% | 0.0% | 63 min |
| Frontier Airlines | 18 | 77.8% | 0.0% | 50 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3481
0% late · 58 flights
-
WN4281
6% late · 57 flights
-
WN3841
7% late · 55 flights
-
WN3789
29% late · 52 flights
-
WN2985
5% late · 44 flights
-
WN2986
45% late · 44 flights
-
NK2580
21% late · 42 flights
-
WN2475
19% late · 42 flights
-
WN646
15% late · 34 flights
-
WN1837
32% late · 33 flights
-
WN3849
31% late · 33 flights
-
WN1588
23% late · 31 flights
-
WN1889
13% late · 31 flights
-
WN678
40% late · 30 flights
-
WN3245
3% late · 29 flights
-
WN250
0% late · 28 flights
-
WN3174
7% late · 28 flights
-
WN556
32% late · 27 flights
-
WN2253
42% late · 24 flights
-
WN4009
52% late · 24 flights
-
NK476
26% late · 23 flights
-
NK2298
18% late · 22 flights
-
WN2238
14% late · 22 flights
-
WN3325
5% late · 20 flights
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