Route on-time record
DEN to MSY: most on-time flights and the best time to fly
Denver (Denver International Airport) to New Orleans (Louis Armstrong New Orleans International Airport). 2,264 nonstop flights in Jun 2025 to May 2026, 76% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was United 2183 at 7:45 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
DEN → MSY
Denver to New Orleans: 2,264 nonstop flights a year
On time (12 months)
76%
Cancelled
0.4%
avg delay 14 min
Best time to leave
Before 9 AM
92% on time vs 59% 6 to 9 PM
Most reliable airline
United
83% 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 · United 2183
7:45 AM → 11:31 AM2h 46m nonstop
Local times, typical schedule. Last flown 2026-05-18.
94%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 96% of the time (82 flights, Jun 2025 to May 2026).
- Never cancelled in 83 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; 6 to 9 PM: 59%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Moderate track record · 82 flights
Find United 2183 fares Opens this date on Aviasales#2 · United 2273
9:40 AM → 1:27 PM2h 47m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.3%
- Avg arrival delay
- 5 min
- Arrived on time 87% of the time (364 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Strong track record · 364 flights
Find United 2273 fares Opens this date on Aviasales#3 · United 250
1:25 PM → 5:12 PM2h 45m nonstop
Local times, typical schedule. Last flown 2026-05-18.
87%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.6%
- Avg arrival delay
- 7 min
- Arrived on time 89% of the time (166 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Moderate track record · 166 flights
Find United 250 fares Opens this date on Aviasales#4 · Southwest 1232
8:30 AM → 12:05 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2639; its record covers all of them.
83%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 86% of the time (83 flights, Jun 2025 to May 2026).
- Never cancelled in 83 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; 6 to 9 PM: 59%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Moderate track record · 83 flights
Find Southwest 1232 fares Opens this date on Aviasales#5 · Frontier 2360
11:00 AM → 2:41 PM2h 44m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 79%
- Cancelled
- 1.7%
- Avg arrival delay
- 15 min
- Arrived on time 79% of the time (170 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Moderate track record · 170 flights
Find Frontier 2360 fares Opens this date on Aviasales#6 · United 1541
5:55 PM → 9:45 PM2h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.3%
- Avg arrival delay
- 18 min
- Arrived on time 75% of the time (363 flights, Jun 2025 to May 2026).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 56% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 363 flights
Find United 1541 fares Opens this date on Aviasales#7 · Southwest 2260
11:55 AM → 3:25 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
70%
chance on time
- On time (history)
- 74%
- Cancelled
- 5.0%
- Avg arrival delay
- 12 min
- Arrived on time 74% of the time (19 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Southwest 2260 fares Opens this date on Aviasales#8 · Southwest 3199
1:15 PM → 4:50 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29.
70%
chance on time
- On time (history)
- 64%
- Cancelled
- 0.0%
- Avg arrival delay
- 22 min
- Arrived on time 64% of the time (39 flights, Jun 2025 to May 2026).
- Never cancelled in 39 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Short track record (39 flights), so its score leans on the airline's record at this hour.
Limited track record · 39 flights
Find Southwest 3199 fares Opens this date on Aviasales#9 · Southwest 2643
2:20 PM → 5:50 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
63%
chance on time
- On time (history)
- 56%
- Cancelled
- 0.0%
- Avg arrival delay
- 31 min
- Arrived on time 56% of the time (85 flights, Jun 2025 to May 2026).
- Never cancelled in 85 scheduled flights.
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 62% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 85 flights
Find Southwest 2643 fares Opens this date on Aviasales#10 · Southwest 1962
4:45 PM → 8:20 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
56%
chance on time
- On time (history)
- 55%
- Cancelled
- 0.0%
- Avg arrival delay
- 24 min
- Arrived on time 55% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 63% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 55 flights
Find Southwest 1962 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines83%
1,017 flights · 84% on time as flown · 0.3% cancel
- Frontier Airlines77%
188 flights · 79% on time as flown · 1.1% cancel
- Southwest Airlines68%
1,059 flights · 67% on time as flown · 0.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
280 flights · avg delay 3 min
- 9 AM to noon83%
621 flights · avg delay 8 min
- Noon to 3 PM77%
484 flights · avg delay 13 min
- 3 to 6 PM70%
475 flights · avg delay 19 min
- 6 to 9 PM59%
381 flights · avg delay 27 min
Best day: Monday (78%). Worst: Saturday (71%).
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 aircraft53%
- Airline (crew, maintenance, boarding)30%
- 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
DEN to MSY questions
- What time of day is best to fly DEN to MSY?
- Before 9 AM: 92% of flights arrived on time, against 59% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from DEN to MSY?
- United, with a season-adjusted 83% chance of operating and arriving on time over 1,017 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 DEN to MSY?
- July (60% on time); the best was November (85%), 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 DEN
- MSY to DEN (return)
- DEN to PHX 75%
- DEN to SLC 77%
- DEN to LAX 79%
- DEN to LAS 75%
- DEN to SEA 73%
- DEN to ORD 70%
- DEN to DFW 75%
- DEN to SAN 76%
- DEN to MSP 78%
- DEN to ATL 80%
- DEN to SFO 68%
- DEN to AUS 76%
Live status: FAA delays and ground stops