Route on-time record
MSY to SLC: most on-time flights and the best time to fly
New Orleans (Louis Armstrong New Orleans International Airport) to Salt Lake City (Salt Lake City International Airport). 459 nonstop flights in Jun 2025 to May 2026, 92% arrived within 15 minutes and 0.2% were cancelled. The most reliable flight number was Delta 736 at 1:49 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
MSY → SLC
New Orleans to Salt Lake City: 459 nonstop flights a year
On time (12 months)
92%
Cancelled
0.2%
avg delay 6 min
Best time to leave
Noon to 3 PM
93% on time vs 88% 6 to 9 PM
Most reliable airline
Delta
92% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Delta 736
1:49 PM → 4:37 PM3h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 93% of the time (358 flights, Jun 2025 to May 2026).
- Never cancelled in 360 scheduled flights.
- Leaves in this route's most on-time window (Noon to 3 PM: 93% on time; 6 to 9 PM: 88%).
Strong track record · 358 flights
Find Delta 736 fares Opens this date on Aviasales#2 · Delta 2054
7:15 PM → 10:08 PM3h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 90%
- Cancelled
- 1.4%
- Avg arrival delay
- 8 min
- Arrived on time 90% of the time (71 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 88% on time; Noon to 3 PM: 93%).
Moderate track record · 71 flights
Find Delta 2054 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines92%
459 flights · 92% on time as flown · 0.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Noon to 3 PM93%
353 flights · avg delay 5 min
- 6 to 9 PM88%
95 flights · avg delay 10 min
Best day: Tuesday (90%). Worst: Thursday (86%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft57%
- Airline (crew, maintenance, boarding)26%
- Air traffic control and airport volume16%
- Severe weather1%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
MSY to SLC questions
- What time of day is best to fly MSY to SLC?
- Noon to 3 PM: 93% of flights arrived on time, against 88% for departures 6 to 9 PM.
- Which airline is most on time from MSY to SLC?
- Delta, with a season-adjusted 92% chance of operating and arriving on time over 459 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on MSY to SLC?
- May (80% on time); the best was October (98%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from MSY
- SLC to MSY (return)
- MSY to ATL 82%
- MSY to IAH 82%
- MSY to DFW 72%
- MSY to ORD 79%
- MSY to MCO 77%
- MSY to DAL 78%
- MSY to HOU 76%
- MSY to DEN 80%
- MSY to AUS 78%
- MSY to DCA 71%
- MSY to CLT 83%
- MSY to MIA 79%
Most on-time flights from MSY on every route →
Live status: FAA delays and ground stops