BWI to MSY flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to Louis Armstrong New Orleans International Airport · 998 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or MSY right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to New Orleans (MSY) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 1.3% were cancelled, and 6% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (89% on time); Southwest Airlines was the least (77%).
- Departures scheduled around 6am did best (100% on time); around 4pm did worst (53%).
- Saturday was the most reliable day to fly (88% on time) and Friday the least (68%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).
Which airline is most on time from BWI to MSY?
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 |
|---|---|---|---|---|---|
| Spirit Airlines | 89% | 0.9% | 9 min | 6.3% | 112 |
| Southwest Airlines | 77% | 1.4% | 13 min | 5.8% | 1,027 |
| Frontier Airlines | 67% | 0.0% | 24 min | 11.1% | 18 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%30 flights
- 6am100%43 flights
- 8am90%183 flights
- 9am91%86 flights
- 10am82%51 flights
- 11am85%46 flights
- 12pm89%18 flights
- 1pm82%23 flights
- 2pm76%133 flights
- 3pm74%82 flights
- 4pm53%69 flights
- 5pm66%35 flights
- 6pm77%95 flights
- 7pm59%41 flights
- 8pm70%62 flights
- 9pm68%126 flights
- 10pm69%28 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%1.7% cancelled
- Tuesday84%2.1% cancelled
- Wednesday79%0.7% cancelled
- Thursday73%0.0% cancelled
- Friday68%1.7% cancelled
- Saturday88%0.7% cancelled
- Sunday75%2.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)46%
- Late-arriving aircraft38%
- Air traffic control & airport congestion15%
- Security1%
- Extreme weather0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather73%
- Airline (crew, maintenance, cleaning, fueling)13%
- Air traffic control & airport congestion13%
- Security0%
BWI to MSY: common questions
- How often are BWI to MSY flights on time?
- 78% 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 Baltimore to New Orleans cancelled?
- 1.3% of scheduled flights were cancelled (15 of 1,157).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 6.0% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MSY to BWI — 81% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → MSY, nonstop flights by US airlines that report to the DOT. How we calculate this.