Route on-time record

LGA to ATL: most on-time flights and the best time to fly

New York (LaGuardia Airport) to Atlanta (Hartsfield Jackson Atlanta International Airport). 8,276 nonstop flights in Jun 2025 to May 2026, 76% arrived within 15 minutes and 3.6% were cancelled. The most reliable flight number was Delta 342 at 6:59 AM.

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

LGA → ATL

New York to Atlanta: 8,276 nonstop flights a year

On time (12 months)

76%

Cancelled

3.6%

avg delay 20 min

Best time to leave

Before 9 AM

84% on time vs 63% 6 to 9 PM

Most reliable airline

Delta

76% chance on time

Check LGA to ATL fares

Lowest nonstop fare seen in the next two months: $41 (Frontier 3287 on 2026-11-11). 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 342
6:59 AM → 9:37 AM2h 34m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
On time (history)
93%
Cancelled
3.7%
Avg arrival delay
5 min
- Arrived on time 93% of the time (335 flights, Jun 2025 to May 2026).
- Cancelled 3.7% of the time (13 of 349).
- Leaves in this route's most on-time window (Before 9 AM: 84% on time; 6 to 9 PM: 63%).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
Strong track record · 335 flights
Find Delta 342 fares Opens this date on Aviasales
#2 · Delta 364
7:59 AM → 10:33 AM2h 32m nonstop
Local times, typical schedule. Last flown 2026-05-29.
86%
chance on time
On time (history)
89%
Cancelled
3.5%
Avg arrival delay
8 min
- Arrived on time 89% of the time (272 flights, Jun 2025 to May 2026).
- Cancelled 3.5% of the time (10 of 282).
- Leaves in this route's most on-time window (Before 9 AM: 84% on time; 6 to 9 PM: 63%).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
Strong track record · 272 flights
Find Delta 364 fares Opens this date on Aviasales
#3 · Delta 550
6:00 AM → 8:38 AM2h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
On time (history)
90%
Cancelled
3.6%
Avg arrival delay
7 min
- Arrived on time 90% of the time (352 flights, Jun 2025 to May 2026).
- Cancelled 3.6% of the time (13 of 365).
- Leaves in this route's most on-time window (Before 9 AM: 84% on time; 6 to 9 PM: 63%).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
Strong track record · 352 flights
Find Delta 550 fares Opens this date on Aviasales
#4 · Republic 4595 · sold as American Eagle, Delta Connection or United Express
6:00 AM → 8:34 AM2h 34m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as Republic 4639; its record covers all of them.
86%
chance on time
On time (history)
93%
Cancelled
1.3%
Avg arrival delay
8 min
- Arrived on time 93% of the time (75 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 84% on time; 6 to 9 PM: 63%).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
Moderate track record · 75 flights
Find 6:00 AM flight fares Opens this date on Aviasales
#5 · Delta 992
9:00 AM → 11:34 AM2h 34m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
On time (history)
86%
Cancelled
3.7%
Avg arrival delay
10 min
- Arrived on time 86% of the time (342 flights, Jun 2025 to May 2026).
- Cancelled 3.7% of the time (13 of 355).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
Strong track record · 342 flights
Find Delta 992 fares Opens this date on Aviasales
#6 · Delta 989
10:00 AM → 12:39 PM2h 37m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
On time (history)
84%
Cancelled
2.1%
Avg arrival delay
10 min
- Arrived on time 84% of the time (319 flights, Jun 2025 to May 2026).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
Strong track record · 319 flights
Find Delta 989 fares Opens this date on Aviasales
#7 · Delta 993
11:00 AM → 1:35 PM2h 34m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
On time (history)
84%
Cancelled
1.1%
Avg arrival delay
9 min
- Arrived on time 84% of the time (345 flights, Jun 2025 to May 2026).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 345 flights
Find Delta 993 fares Opens this date on Aviasales
#8 · Republic 4580 · sold as American Eagle, Delta Connection or United Express
8:00 AM → 10:41 AM2h 41m nonstop
Local times, typical schedule. Last flown 2026-05-20.
82%
chance on time
On time (history)
86%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 86% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 84% on time; 6 to 9 PM: 63%).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
Limited track record · 44 flights
Find 8:00 AM flight fares Opens this date on Aviasales
#9 · Republic 4628 · sold as American Eagle, Delta Connection or United Express
6:20 AM → 8:54 AM2h 34m nonstop
Local times, typical schedule. Last flown 2026-05-30.
80%
chance on time
On time (history)
89%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 89% of the time (9 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 84% on time; 6 to 9 PM: 63%).
- Departs outside LGA's trouble window (noon to 6 PM, when 54% of its 285 ground stops and delay programs started).
- Short track record (9 flights), so its score leans on the airline's record at this hour.
Limited track record · 9 flights
Find 6:20 AM flight fares Opens this date on Aviasales
#10 · Delta 994
1:00 PM → 3:34 PM2h 34m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
On time (history)
82%
Cancelled
1.5%
Avg arrival delay
13 min
- Arrived on time 82% of the time (317 flights, Jun 2025 to May 2026).
- Departs inside LGA's trouble window: 54% of its 285 ground stops and delay programs started between noon and 6 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 317 flights
Find Delta 994 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Delta Air Lines76%
4,934 flights · 79% on time as flown · 3.0% cancel
Republic Airways (sold as American Eagle, Delta Connection or United Express)73%
1,420 flights · 77% on time as flown · 4.5% cancel
Southwest Airlines70%
1,051 flights · 72% on time as flown · 3.4% cancel
Frontier Airlines57%
858 flights · 59% on time as flown · 5.0% cancel

On time by departure time

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

Before 9 AM84%
2,132 flights · avg delay 14 min
9 AM to noon81%
1,559 flights · avg delay 13 min
Noon to 3 PM79%
1,519 flights · avg delay 17 min
3 to 6 PM67%
1,516 flights · avg delay 28 min
6 to 9 PM63%
1,490 flights · avg delay 32 min

Best day: Wednesday (81%). Worst: Sunday (74%).

Smarter routing

Nearby airports that run more on time

HPN → ATL 80% chance on time
Westchester County Airport to Hartsfield Jackson Atlanta International Airport · 722 flights a year · 22 mi from your airports · yours: 73%
Rank flights Fares

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 aircraft43%
Airline (crew, maintenance, boarding)30%
Air traffic control and airport volume27%

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

LGA to ATL questions

What time of day is best to fly LGA to ATL?: Before 9 AM: 84% of flights arrived on time, against 63% 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 LGA to ATL?: Delta, with a season-adjusted 76% chance of operating and arriving on time over 4,934 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 LGA to ATL?: July (67% on time); the best was March (83%), 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 LGA

Live status: FAA delays and ground stops

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