Best Time to Fly MSY to DEN: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → Denver International
Data through July 2026 · Last updated October 18, 2026
2,277 flights were scheduled from New Orleans (MSY) to Denver (DEN) in the last 12 months, and 80.1% of those that flew arrived on time, 2.5 points above the US average of 77.6%.
Among 3 airlines, United Airlines led with 87.5% on time and Southwest Airlines was last with 73.8%.
Over 24 months, Wednesday was the most reliable day (84% on time) and June the worst month (66%).
The cancellation rate was 0.4% (US average 1.8%).
MSY to DEN 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 | 87.5% | 59 min | 0.1% | 1,015 |
| Frontier Airlines | 75.8% | 90 min | 2.5% | 203 |
| Southwest Airlines | 73.8% | 52 min | 0.3% | 1,059 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to DEN
On-time arrival % by scheduled departure hour (local time), 4,524 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.2% | 0.0% | 502 |
| 6am–7am | 95.8% | 0.8% | 121 |
| 7am–8am | 94.7% | 0.5% | 191 |
| 8am–9am | 87.4% | 1.2% | 677 |
| 9am–10am | 84.4% | 0.0% | 32 |
| 10am–11am | 87.1% | 0.8% | 470 |
| 11am–12pm | 86.6% | 0.9% | 114 |
| 12pm–1pm | 89.4% | 2.8% | 107 |
| 1pm–2pm | 66.7% | 2.9% | 102 |
| 2pm–3pm | 81.7% | 0.2% | 562 |
| 3pm–4pm | 68.9% | 1.7% | 239 |
| 4pm–5pm | 72.3% | 1.7% | 237 |
| 5pm–6pm | 65.1% | 1.2% | 255 |
| 6pm–7pm | 67.8% | 0.6% | 521 |
| 7pm–8pm | 65.6% | 0.4% | 280 |
| 8pm–9pm | 74.2% | 0.0% | 31 |
| 9pm–10pm | 78.4% | 5.6% | 54 |
| 10pm–11pm | 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 MSY to DEN
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) | 88.3% | +6.5 pts | 0.0% | 103 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.6% | -3.2 pts | 0.5% | 216 |
| Summer peak (Jun 15 - Aug 15) | 71.9% | -10.0 pts | 0.6% | 643 |
| All other days | 81.8% | — | 1.0% | 3,562 |
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).