MSY to BWI flight delays & on-time performance
Nonstop flights from Louis Armstrong New Orleans International Airport to Baltimore/Washington International Thurgood Marshall Airport · 998 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MSY or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from New Orleans (MSY) to Baltimore (BWI) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.1% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (81% on time); Spirit Airlines was the least (79%).
- Departures scheduled around 5am did best (96% on time); around 6pm did worst (50%).
- Wednesday was the most reliable day to fly (88% on time) and Thursday the least (76%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from MSY to BWI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 81% | 1.2% | 12 min | 5.5% | 1,026 |
| Spirit Airlines | 79% | 0.9% | 12 min | 6.3% | 113 |
| Frontier Airlines | 78% | 0.0% | 11 min | 5.6% | 18 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am96%120 flights
- 6am95%252 flights
- 8am94%18 flights
- 9am88%70 flights
- 10am93%94 flights
- 11am80%54 flights
- 12pm61%61 flights
- 1pm86%68 flights
- 3pm73%148 flights
- 4pm67%112 flights
- 5pm59%78 flights
- 6pm50%52 flights
- 9pm86%15 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%1.7% cancelled
- Tuesday85%0.0% cancelled
- Wednesday88%0.7% cancelled
- Thursday76%0.0% cancelled
- Friday81%1.7% cancelled
- Saturday84%0.0% cancelled
- Sunday77%3.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion14%
- Extreme weather3%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather92%
- Airline (crew, maintenance, cleaning, fueling)8%
- Air traffic control & airport congestion0%
- Security0%
MSY to BWI: common questions
- How often are MSY to BWI flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from New Orleans to Baltimore cancelled?
- 1.1% of scheduled flights were cancelled (13 of 1,157).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 5.5% of flights were an hour or more late.
- How long is taxi time at MSY?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to MSY — 78% on time
More flights from New Orleans
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MSY → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.