Best Time to Fly DTW to MSY: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 85.0% of Detroit (DTW) to New Orleans (MSY) flights arrived on time (811 scheduled flights). That is 7.4 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 85.1%, while Spirit Airlines trailed at 83.0%.
October has been the best month (92% on time) and Sunday the weakest day of the week (78%).
1.5% of flights were cancelled, versus 1.8% nationally.
DTW 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 |
|---|---|---|---|---|
| Delta Air Lines | 85.1% | 54 min | 1.8% | 628 |
| Spirit Airlines | 83.0% | 71 min | 0.6% | 160 |
| Frontier Airlines | Limited data | 23 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to MSY
On-time arrival % by scheduled departure hour (local time), 1,690 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 20 | |
| 6am–7am | 81.1% | 0.0% | 37 |
| 7am–8am | Limited data | 19 | |
| 8am–9am | 83.9% | 1.7% | 722 |
| 9am–10am | 90.0% | 2.0% | 51 |
| 10am–11am | Limited data | 13 | |
| 11am–12pm | 90.7% | 0.0% | 43 |
| 12pm–1pm | Limited data | 25 | |
| 1pm–2pm | 83.3% | 1.5% | 67 |
| 2pm–3pm | 82.4% | 1.3% | 478 |
| 3pm–4pm | 79.3% | 1.1% | 88 |
| 4pm–5pm | Limited data | 27 | |
| 5pm–6pm | 77.4% | 0.0% | 62 |
| 6pm–7pm | Limited data | 2 | |
| 7pm–8pm | 74.3% | 0.0% | 35 |
| 9pm–10pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DTW 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) | 69.4% | -15.3 pts | 0.0% | 36 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.5% | -3.2 pts | 3.0% | 67 |
| Summer peak (Jun 15 - Aug 15) | 74.9% | -9.8 pts | 1.6% | 248 |
| All other days | 84.7% | — | 1.1% | 1,339 |
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).