Best Time to Fly SLC to MSY: On-Time Stats by Hour & Airline
Salt Lake City International → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 87.4% of Salt Lake City (SLC) to New Orleans (MSY) flights arrived on time (455 scheduled flights). That is 9.8 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
December has been the best month (92% on time) and Saturday the weakest day of the week (81%).
0.4% of flights were cancelled, versus 1.8% nationally.
SLC 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 | 87.4% | 44 min | 0.4% | 455 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to MSY
On-time arrival % by scheduled departure hour (local time), 918 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 87.3% | 0.7% | 541 |
| 10am–11am | Limited data | 3 | |
| 11am–12pm | 77.6% | 0.0% | 58 |
| 1pm–2pm | 88.6% | 0.7% | 150 |
| 2pm–3pm | 89.6% | 0.6% | 166 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC 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) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 88.5% | +0.9 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 85.5% | -2.0 pts | 0.0% | 124 |
| All other days | 87.5% | — | 0.8% | 730 |
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).