Best Time to Fly DEN to MSY: On-Time Stats by Hour & Airline
Denver International → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
2,277 flights were scheduled from Denver (DEN) to New Orleans (MSY) in the last 12 months, and 78.0% of those that flew arrived on time, in line with the US average of 77.6%.
Among 3 airlines, United Airlines led with 85.3% on time and Southwest Airlines was last with 70.3%.
Over 24 months, Wednesday was the most reliable day (78% on time) and June the worst month (60%).
The cancellation rate was 0.6% (US average 1.8%).
DEN 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 |
|---|---|---|---|---|
| United Airlines | 85.3% | 61 min | 0.1% | 1,016 |
| Frontier Airlines | 81.8% | 65 min | 2.5% | 203 |
| Southwest Airlines | 70.3% | 51 min | 0.7% | 1,058 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to MSY
On-time arrival % by scheduled departure hour (local time), 4,549 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 84.2% | 2.6% | 39 |
| 7am–8am | 91.1% | 0.4% | 226 |
| 8am–9am | 92.3% | 0.0% | 313 |
| 9am–10am | 85.4% | 0.1% | 732 |
| 10am–11am | 80.4% | 2.2% | 271 |
| 11am–12pm | 77.7% | 2.9% | 171 |
| 12pm–1pm | 80.3% | 2.7% | 73 |
| 1pm–2pm | 84.6% | 0.6% | 653 |
| 2pm–3pm | 58.7% | 0.9% | 225 |
| 3pm–4pm | 69.3% | 0.0% | 163 |
| 4pm–5pm | 54.0% | 0.0% | 76 |
| 5pm–6pm | 73.5% | 1.2% | 818 |
| 6pm–7pm | 68.7% | 0.7% | 286 |
| 7pm–8pm | 53.3% | 1.2% | 258 |
| 8pm–9pm | 56.3% | 1.4% | 216 |
| 9pm–10pm | Limited data | 29 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN 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) | 86.4% | +8.0 pts | 0.0% | 103 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.4% | +2.0 pts | 0.5% | 216 |
| Summer peak (Jun 15 - Aug 15) | 62.4% | -16.0 pts | 1.1% | 644 |
| All other days | 78.4% | — | 0.9% | 3,586 |
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).