ON TIMEBOARD

LGA → MSY on time

LaGuardia (New York, NY) to New Orleans (New Orleans, LA). Every scheduled flight, September 2025 to August 2026.

On time
67%
arrived < 15 min late
Cancelled
4.2%
1,391 flights
Typical arrival
−3 min
median vs schedule
When late
+76 min
average delay
Flights / day
4
4 airlines

67% of flights from New York to New Orleans arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 a.m. departures ran on time 85% of the time; the 5 p.m. ones 47%. Most reliable airline: Delta Air Lines (75%). 16% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LGA → MSY: when a flight was late, it was under 45 minutes late 45% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 42 three hours or more; 4.2% were cancelled outright.

Share of all 1,391 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines68975%4.8%−8 min6.8%+73 minDelta Air Lines
American Airlines36566%3.0%−2 min13.4%+76 minAmerican Airlines 95%, Republic Airways 5%
Southwest Airlines33351%4.2%+9 min19.8%+80 minSouthwest Airlines
Frontier Airlines4—————Frontier Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LGA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 85% on time (276 flights)857a8 a.m. departures: too few flights (90 flights)8a9 a.m. departures: too few flights (9 flights)9a10 a.m. departures: too few flights (20 flights)10a11 a.m. departures: 71% on time (194 flights)7111anoon departures: too few flights (16 flights)12p1 p.m. departures: too few flights (23 flights)1p2 p.m. departures: 65% on time (126 flights)652p3 p.m. departures: too few flights (83 flights)3p4 p.m. departures: 58% on time (371 flights)584p5 p.m. departures: 47% on time (107 flights)475p6 p.m. departures: too few flights (70 flights)6p
LGA → MSY, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsDelta Air LinesAmerican AirlinesSouthwest Airlines
7 a.m.85%——
11 a.m.—71%—
2 p.m.—64%—
4 p.m.62%—51%
5 p.m.——47%

Last flight of the day

On LGA → MSY, each airline's last flight of the day was cancelled 4.2% of the time, against 5.0% for its earlier flights, about the same. It arrived 3+ hours late 2.1% of the time (earlier flights: 0.9%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines4:30 p.m.4.4%2.2%5.3%first flight 7:15 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: November (82%). Worst: July (61%).

40%70%100%Jan: 69% on time (375 flights)69JanFeb: 77% on time (394 flights)77FebMar: 76% on time (425 flights)76MarApr: 76% on time (359 flights)76AprMay: 68% on time (371 flights)68MayJun: 66% on time (330 flights)66JunJul: 61% on time (326 flights)61JulAug: 68% on time (297 flights)68AugSep: 74% on time (332 flights)74SepOct: 75% on time (357 flights)75OctNov: 82% on time (364 flights)82NovDec: 69% on time (377 flights)69Dec

By day of week

DayFlightsOn timeCancelled
Monday20960%7.7%
Tuesday20368%5.9%
Wednesday20369%3.0%
Thursday20070%2.5%
Friday20667%1.0%
Saturday15278%4.6%
Sunday21863%4.6%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 43%Air traffic & airport (NAS) 27%Airline (crew, maintenance, ops) 27%Severe weather 3%

Cancellations: weather 26 · airline 23 · air traffic/airport 9

Month by month

40%70%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 63% on time, 3.9% cancelledOct 2023: 76% on time, 0.0% cancelledNov 2023: 91% on time, 0.0% cancelledDec 2023: 81% on time, 0.0% cancelledJan 2024: 70% on time, 0.0% cancelledFeb 2024: 80% on time, 0.0% cancelledMar 2024: 77% on time, 0.0% cancelledApr 2024: 81% on time, 0.0% cancelledMay 2024: 75% on time, 0.0% cancelledNov 2024: 87% on time, 0.9% cancelledDec 2024: 75% on time, 0.9% cancelledJan 2025: 61% on time, 8.6% cancelledFeb 2025: 71% on time, 0.0% cancelledMar 2025: 81% on time, 0.0% cancelledApr 2025: 79% on time, 0.0% cancelledMay 2025: 68% on time, 0.0% cancelledJun 2025: 56% on time, 1.7% cancelledJul 2025: 56% on time, 5.0% cancelledAug 2025: 76% on time, 0.8% cancelledSep 2025: 84% on time, 0.0% cancelledOct 2025: 69% on time, 3.3% cancelledNov 2025: 68% on time, 1.8% cancelledDec 2025: 50% on time, 5.0% cancelledJan 2026: 76% on time, 7.8% cancelledFeb 2026: 79% on time, 6.0% cancelledMar 2026: 67% on time, 6.5% cancelledApr 2026: 68% on time, 2.5% cancelledMay 2026: 61% on time, 3.2% cancelledJun 2026: 63% on time, 4.3% cancelledJul 2026: 66% on time, 7.6% cancelled
Share of flights on time, by month (hover a point for cancellations)
LGA → MSY, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 24117:30 a.m.33485%5.4%−11 minDelta Air Lines
DL 24054:30 p.m.20563%4.9%−4 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Apr 5, 202650%1
Dec 14, 202540%2
Mar 12, 202640%1
Jul 21, 202640%3
Jan 25, 202640%3

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of New York or New Orleans. EWR → MSY has been 11 points more reliable.

RouteFlightsOn timeCancelled
LGA → MSY (this route)1,39167%4.2%
EWR → MSY Newark to New Orleans1,21878%2.2%
JFK → MSY New York JFK to New Orleans1,14275%5.3%

Questions

How often are flights from LGA to MSY on time?

67% of 1,391 scheduled flights from New York, NY to New Orleans, LA arrived within 15 minutes of schedule between September 2025 and August 2026. 4.2% were cancelled.

What is the best time of day to fly LGA to MSY?

Flights scheduled to leave at 7 a.m. were the most reliable (85% on time). The 5 p.m. departures were the least (47%).

Which airline is most on time from LGA to MSY?

Delta Air Lines: 75% of its 689 flights on the route arrived on time. American Airlines: 66%. Southwest Airlines: 51%.

What month has the most delays from LGA to MSY?

July (61% on time). The best month is November (82%), over 2023–2026.

Is the last flight of the day from LGA to MSY more likely to be cancelled?

Not much. Each airline's last LGA–MSY flight of the day was cancelled 4.2% of the time over the past year, against 5.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.