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ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

Beta

We rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.

GSP → LGA

Greenville/Greer/Spartanburg to New York: 942 nonstop flights a year

On time (12 months)

76%

Cancelled

6.9%

avg delay 20 min

Best time to leave

9 AM to noon

87% on time vs 63% 6 to 9 PM

Most reliable airline

Republic

71% chance on time

Check GSP to LGA fares

Lowest nonstop fare seen in the next two months: $367 (American 4751 on 2026-11-29). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Best trips

6 nonstop, 34 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.

  1. Best overall#1 · Nonstop · 2h 02m

    6:00 AM → 8:02 AM

    78%

    arrive on time

    6:00 AM GSP → 8:02 AM LGA2h 02m

    Republic 4751 · sold as American Eagle, Delta Connection or United Express

    Embraer E175 · 12–19 yrs old
    82% on time · 5.7% cancel
    Find 6:00 AM flight fares Opens this date on Aviasales

  2. #2 · Nonstop · 2h 04m

    12:35 PM → 2:39 PM

    73%

    arrive on time

    12:35 PM GSP → 2:39 PM LGA2h 04m

    Republic 4449 · sold as American Eagle, Delta Connection or United Express

    Embraer E175 · 12–19 yrs old
    78% on time · 5.4% cancel
    Find 12:35 PM flight fares Opens this date on Aviasales

  3. #3 · Nonstop · 2h 07m

    6:10 PM → 8:17 PM

    72%

    arrive on time

    6:10 PM GSP → 8:17 PM LGA2h 07m

    Republic 4448 · sold as American Eagle, Delta Connection or United Express

    Embraer E170 · 19–21 yrs old
    76% on time · 6.0% cancel
    Find 6:10 PM flight fares Opens this date on Aviasales

  4. #4 · 1 connection · 4h 01m · one ticket (Delta)

    5:40 AM → 9:42 AM

    87%

    connections made

    79%

    arrive on time

    5:40 AM GSP → 6:43 AM ATL1h 02m

    Delta 3028

    Boeing 737-900ER or 717 · 9–26 yrs old
    96% on time · 2.4% cancel
    Connect in ATL · 47m · 92% chance to make it · same ticket: the airline rebooks you if you miss it

    7:30 AM ATL → 9:42 AM LGA2h 12m

    Delta 323

    Airbus A321 · 5–7 yrs old
    91% on time · 3.0% cancel
    Find this Delta trip Look for Delta 3028 + Delta 323 on Aviasales

  5. #5 · 1 connection · 5h 02m · one ticket (Delta)

    5:40 AM → 10:43 AM

    92%

    connections made

    82%

    arrive on time

    5:40 AM GSP → 6:43 AM ATL1h 02m

    Delta 3028

    Boeing 737-900ER or 717 · 9–26 yrs old
    96% on time · 2.4% cancel
    Connect in ATL · 1h 47m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    8:30 AM ATL → 10:43 AM LGA2h 13m

    Delta 513

    Airbus A321 · 5–7 yrs old
    89% on time · 3.9% cancel
    Find this Delta trip Look for Delta 3028 + Delta 513 on Aviasales

  6. #6 · 1 connection · 4h 00m · one ticket (American)

    5:21 AM → 9:21 AM

    90%

    connections made

    78%

    arrive on time

    5:21 AM GSP → 6:25 AM CLT1h 04m

    PSA 5381 · sold as American Eagle

    Bombardier CRJ900 · 7–12 yrs old
    96% on time · 1.3% cancel
    Connect in CLT · 1h 08m · 95% chance to make it · same ticket: the airline rebooks you if you miss it

    7:33 AM CLT → 9:21 AM LGA1h 48m

    American 2111

    Airbus A319 · 12–27 yrs old
    87% on time · 4.3% cancel
    Find this American trip Look for PSA 5381 + American 2111 on Aviasales

  7. #7 · 1 connection · 4h 01m · one ticket (American)

    5:20 AM → 9:21 AM

    89%

    connections made

    77%

    arrive on time

    5:20 AM GSP → 6:16 AM CLT56m

    American 1490

    Airbus A319 · 20–27 yrs old
    95% on time · 2.0% cancel
    Connect in CLT · 1h 17m · 94% chance to make it · same ticket: the airline rebooks you if you miss it

    7:33 AM CLT → 9:21 AM LGA1h 48m

    American 2111

    Airbus A319 · 12–27 yrs old
    87% on time · 4.3% cancel
    Find this American trip Look for American 1490 + American 2111 on Aviasales

  8. #8 · 1 connection · 5h 01m · one ticket (Delta)

    6:45 AM → 11:46 AM

    91%

    connections made

    80%

    arrive on time

    6:45 AM GSP → 7:50 AM ATL1h 05m

    Delta 1146

    Boeing 737-900ER or 737-800 · 9–27 yrs old
    92% on time · 2.1% cancel
    Connect in ATL · 1h 40m · 95% chance to make it · same ticket: the airline rebooks you if you miss it

    9:30 AM ATL → 11:46 AM LGA2h 16m

    Delta 557

    Airbus A321 · 5–7 yrs old
    87% on time · 2.1% cancel
    Find this Delta trip Look for Delta 1146 + Delta 557 on Aviasales

  9. #9 · 1 connection · 6h 05m · one ticket (Delta)

    5:40 AM → 11:46 AM

    94%

    connections made

    82%

    arrive on time

    5:40 AM GSP → 6:43 AM ATL1h 02m

    Delta 3028

    Boeing 737-900ER or 717 · 9–26 yrs old
    96% on time · 2.4% cancel
    Connect in ATL · 2h 47m · 99% chance to make it · same ticket: the airline rebooks you if you miss it

    9:30 AM ATL → 11:46 AM LGA2h 16m

    Delta 557

    Airbus A321 · 5–7 yrs old
    87% on time · 2.1% cancel
    Find this Delta trip Look for Delta 3028 + Delta 557 on Aviasales

  10. #10 · 1 connection · 4h 00m · one ticket (American)

    5:21 AM → 9:21 AM

    90%

    connections made

    76%

    arrive on time

    5:21 AM GSP → 6:25 AM CLT1h 04m

    PSA 5381 · sold as American Eagle

    Bombardier CRJ900 · 7–12 yrs old
    96% on time · 1.3% cancel
    Connect in CLT · 1h 01m · 94% chance to make it · same ticket: the airline rebooks you if you miss it

    7:26 AM CLT → 9:21 AM LGA1h 55m

    American 2036

    Airbus A319 · 12–27 yrs old
    84% on time · 2.6% cancel
    Find this American trip Look for PSA 5381 + American 2036 on Aviasales

Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes.

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Republic Airways (sold as American Eagle, Delta Connection or United Express)71%

    942 flights · 76% on time as flown · 6.9% cancel

On time by departure time

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

  • Before 9 AM82%

    332 flights · avg delay 12 min

  • 9 AM to noon87%

    137 flights · avg delay 13 min

  • Noon to 3 PM73%

    170 flights · avg delay 20 min

  • 3 to 6 PM69%

    84 flights · avg delay 26 min

  • 6 to 9 PM63%

    219 flights · avg delay 34 min

Best day: Saturday (90%). Worst: Friday (81%).

Smarter routing

Nearby airports that run more on time

  • GSP → EWR 82% chance on time

    Greenville-Spartanburg International Airport to Newark Liberty International Airport · 743 flights a year · 17 mi from your airports · yours: 71%

    Rank flightsFares

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