Best Time to Fly BWI to MSY: On-Time Stats by Hour & Airline
Baltimore/Washington International Thurgood Marshall → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
1,157 flights were scheduled from Baltimore (BWI) to New Orleans (MSY) in the last 12 months, and 77.9% of those that flew arrived on time, in line with the US average of 77.6%.
Among 2 airlines, Spirit Airlines led with 89.2% on time and Southwest Airlines was last with 76.9%.
Over 24 months, Tuesday was the most reliable day (81% on time) and June the worst month (60%).
The cancellation rate was 1.3% (US average 1.8%).
BWI to MSY on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 89.2% | 77 min | 0.9% | 112 |
| Southwest Airlines | 76.9% | 51 min | 1.4% | 1,027 |
| Frontier Airlines | Limited data | 18 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BWI to MSY
On-time arrival % by scheduled departure hour (local time), 2,443 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.5% | 1.8% | 56 |
| 6am–7am | 98.7% | 1.3% | 75 |
| 7am–8am | 88.5% | 0.9% | 105 |
| 8am–9am | 89.2% | 1.2% | 330 |
| 9am–10am | 88.6% | 0.5% | 211 |
| 10am–11am | 82.1% | 4.0% | 99 |
| 11am–12pm | 84.9% | 0.0% | 53 |
| 12pm–1pm | 77.4% | 0.0% | 31 |
| 1pm–2pm | 81.4% | 3.3% | 61 |
| 2pm–3pm | 75.1% | 0.7% | 292 |
| 3pm–4pm | 76.7% | 0.7% | 151 |
| 4pm–5pm | 62.1% | 2.1% | 97 |
| 5pm–6pm | 64.4% | 1.7% | 120 |
| 6pm–7pm | 77.8% | 3.6% | 112 |
| 7pm–8pm | 62.6% | 2.0% | 199 |
| 8pm–9pm | 61.7% | 0.6% | 176 |
| 9pm–10pm | 66.8% | 1.8% | 224 |
| 10pm–11pm | 69.4% | 3.9% | 51 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BWI to MSY
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 86.8% | +7.5 pts | 0.0% | 53 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.9% | -2.4 pts | 0.9% | 105 |
| Summer peak (Jun 15 - Aug 15) | 64.6% | -14.7 pts | 2.7% | 412 |
| All other days | 79.3% | — | 1.3% | 1,873 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).