Route on-time record

AUS to MSY: most on-time flights and the best time to fly

Austin (Austin Bergstrom International Airport) to New Orleans (Louis Armstrong New Orleans International Airport). 2,067 nonstop flights in Jun 2025 to May 2026, 77% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was Southwest 408 at 6:15 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

AUS → MSY

Austin to New Orleans: 2,067 nonstop flights a year

On time (12 months)

77%

Cancelled

0.4%

avg delay 14 min

Best time to leave

Before 9 AM

94% on time vs 59% after 9 PM

Most reliable airline

SkyWest

79% chance on time

Check AUS to MSY fares

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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 · Southwest 408
6:15 AM → 7:35 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
On time (history)
97%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 97% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 59%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
Limited track record · 31 flights
Find Southwest 408 fares Opens this date on Aviasales
#2 · Southwest 409
8:50 AM → 10:10 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
On time (history)
93%
Cancelled
0.0%
Avg arrival delay
3 min
- Arrived on time 93% of the time (46 flights, Jun 2025 to May 2026).
- Never cancelled in 46 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 59%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
Limited track record · 46 flights
Find Southwest 409 fares Opens this date on Aviasales
#3 · Southwest 550
5:45 AM → 7:05 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
87%
chance on time
On time (history)
95%
Cancelled
5.0%
Avg arrival delay
3 min
- Arrived on time 95% of the time (19 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 59%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 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 550 fares Opens this date on Aviasales
#4 · Southwest 4225
12:10 PM → 1:30 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-27.
85%
chance on time
On time (history)
88%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 88% of the time (16 flights, Jun 2025 to May 2026).
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 4225 fares Opens this date on Aviasales
#5 · Southwest 807
7:25 AM → 8:45 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-01.
85%
chance on time
On time (history)
75%
Cancelled
0.0%
Avg arrival delay
5 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 59%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 807 fares Opens this date on Aviasales
#6 · Southwest 456
10:35 AM → 11:55 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
84%
chance on time
On time (history)
86%
Cancelled
0.0%
Avg arrival delay
10 min
- Arrived on time 86% of the time (28 flights, Jun 2025 to May 2026).
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (28 flights), so its score leans on the airline's record at this hour.
Limited track record · 28 flights
Find Southwest 456 fares Opens this date on Aviasales
#7 · SkyWest 4016 · sold as United Express, Delta Connection, American Eagle or Alaska
1:58 PM → 3:35 PM1h 37m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
On time (history)
82%
Cancelled
0.3%
Avg arrival delay
16 min
- Arrived on time 82% of the time (363 flights, Jun 2025 to May 2026).
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
Strong track record · 363 flights
Find 1:58 PM flight fares Opens this date on Aviasales
#8 · Southwest 3507
5:25 PM → 6:45 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-30.
74%
chance on time
On time (history)
88%
Cancelled
0.0%
Avg arrival delay
14 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
- 54% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3507 fares Opens this date on Aviasales
#9 · Southwest 1553
3:25 PM → 4:45 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-01.
71%
chance on time
On time (history)
63%
Cancelled
0.0%
Avg arrival delay
16 min
- Arrived on time 63% of the time (8 flights, Jun 2025 to May 2026).
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
- 74% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1553 fares Opens this date on Aviasales
#10 · Southwest 211
10:05 PM → 11:25 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
71%
chance on time
On time (history)
67%
Cancelled
0.0%
Avg arrival delay
23 min
- Arrived on time 67% of the time (15 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (After 9 PM: 59% on time; Before 9 AM: 94%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
- 95% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 15 flights
Find Southwest 211 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)79%
525 flights · 80% on time as flown · 0.4% cancel
Southwest Airlines76%
1,538 flights · 76% on time as flown · 0.4% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM94%
492 flights · avg delay 4 min
9 AM to noon91%
139 flights · avg delay 5 min
Noon to 3 PM76%
551 flights · avg delay 16 min
3 to 6 PM67%
443 flights · avg delay 21 min
6 to 9 PM71%
266 flights · avg delay 16 min
After 9 PM59%
176 flights · avg delay 28 min

Best day: Tuesday (84%). Worst: Sunday (73%).

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 aircraft47%
Airline (crew, maintenance, boarding)35%
Air traffic control and airport volume10%
Severe weather7%

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

AUS to MSY questions

What time of day is best to fly AUS to MSY?: Before 9 AM: 94% of flights arrived on time, against 59% for departures after 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 AUS to MSY?: SkyWest, with a season-adjusted 79% chance of operating and arriving on time over 525 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 AUS to MSY?: July (69% on time); the best was September (88%), 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.

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