ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe 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 → EWR
Greenville/Greer/Spartanburg to Newark: 743 nonstop flights a year
On time (12 months)
86%
Cancelled
4.6%
avg delay 15 min
Best time to leave
9 AM to noon
93% on time vs 56% 3 to 6 PM
Most reliable airline
Republic
82% chance on time
Lowest nonstop fare seen in the next two months: $505 (United 3444 on 2026-11-29). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
7 nonstop, 32 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.
Best overall#1 · Nonstop · 2h 02m
11:18 AM → 1:20 PM
91%
arrive on time
94% on time · 3.0% cancel11:18 AM GSP → 1:20 PM EWR2h 02m
Republic 3684 · sold as American Eagle, Delta Connection or United Express
Embraer E175 · 1–11 yrs oldFind 11:18 AM flight fares Opens this date on Aviasales#2 · Nonstop · 2h 03m
6:00 AM → 8:03 AM
91%
arrive on time
94% on time · 4.0% cancel6:00 AM GSP → 8:03 AM EWR2h 03m
Republic 3487 · sold as American Eagle, Delta Connection or United Express
Embraer E175 · 2–11 yrs oldFind 6:00 AM flight fares Opens this date on Aviasales#3 · Nonstop · 2h 03m
12:07 PM → 2:10 PM
88%
arrive on time
91% on time · 3.1% cancel12:07 PM GSP → 2:10 PM EWR2h 03m
Republic 3472 · sold as American Eagle, Delta Connection or United Express
Embraer E175 · 2–11 yrs oldFind 12:07 PM flight fares Opens this date on Aviasales#4 · Nonstop · 2h 05m
6:30 AM → 8:35 AM
87%
arrive on time
91% on time · 4.3% cancel6:30 AM GSP → 8:35 AM EWR2h 05m
Republic 3700 · sold as American Eagle, Delta Connection or United Express
Embraer E175 · 3–11 yrs oldFind 6:30 AM flight fares Opens this date on Aviasales#5 · Nonstop · 2h 07m
6:15 AM → 8:22 AM
85%
arrive on time
91% on time · 6.4% cancel6:15 AM GSP → 8:22 AM EWR2h 07m
Republic 3582 · sold as American Eagle, Delta Connection or United Express
Embraer E175 · 2–11 yrs oldFind 6:15 AM flight fares Opens this date on Aviasales#6 · Nonstop · 2h 04m
7:49 PM → 9:53 PM
83%
arrive on time
86% on time · 4.3% cancel7:49 PM GSP → 9:53 PM EWR2h 04m
Republic 3578 · sold as American Eagle, Delta Connection or United Express
Embraer E175 · 1–11 yrs oldFind 7:49 PM flight fares Opens this date on Aviasales#7 · Nonstop · 2h 03m
6:27 PM → 8:30 PM
78%
arrive on time
82% on time · 4.6% cancel6:27 PM GSP → 8:30 PM EWR2h 03m
Republic 3569 · sold as American Eagle, Delta Connection or United Express
Embraer E175 · 1–11 yrs oldFind 6:27 PM flight fares Opens this date on Aviasales#8 · 1 connection · 4h 19m · one ticket (American)
5:21 AM → 9:40 AM
92%
connections made
78%
arrive on time
96% on time · 1.3% cancel5:21 AM GSP → 6:25 AM CLT1h 04m
PSA 5381 · sold as American Eagle
Bombardier CRJ900 · 7–12 yrs oldConnect in CLT · 1h 12m · 96% chance to make it · same ticket: the airline rebooks you if you miss it84% on time · 2.8% cancel7:37 AM CLT → 9:40 AM EWR2h 03m
American 1782 · also flew as 1707
Boeing 737 MAX 8 · 0–8 yrs oldFind this American trip Look for PSA 5381 + American 1782 on Aviasales#9 · 1 connection · 5h 14m · one ticket (Delta)
5:40 AM → 10:55 AM
92%
connections made
78%
arrive on time
96% on time · 2.4% cancel5:40 AM GSP → 6:43 AM ATL1h 02m
Delta 3028
Boeing 737-900ER or 717 · 9–26 yrs oldConnect in ATL · 2h 03m · 98% chance to make it · same ticket: the airline rebooks you if you miss it85% on time · 4.2% cancel8:46 AM ATL → 10:55 AM EWR2h 09m
Delta 2397
Boeing 737-900ER or Airbus A321 · 7–25 yrs oldFind this Delta trip Look for Delta 3028 + Delta 2397 on Aviasales#10 · 1 connection · 5h 24m · one ticket (American)
8:02 AM → 1:26 PM
90%
connections made
78%
arrive on time
91% on time · 1.7% cancel8:02 AM GSP → 9:24 AM CLT1h 22m
PSA 5256 · sold as American Eagle
Bombardier CRJ900 · 7–12 yrs oldConnect in CLT · 1h 56m · 96% chance to make it · same ticket: the airline rebooks you if you miss it87% on time · 4.4% cancel11:20 AM CLT → 1:26 PM EWR2h 06m
Republic 3448 · sold as American Eagle
Embraer E175 · 3–11 yrs oldFind this American trip Look for PSA 5256 + Republic 3448 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)82%
743 flights · 86% on time as flown · 4.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
395 flights · avg delay 9 min
- 9 AM to noon93%
72 flights · avg delay 6 min
- Noon to 3 PM91%
129 flights · avg delay 5 min
- 3 to 6 PM56%
69 flights · avg delay 69 min
- 6 to 9 PM71%
78 flights · avg delay 25 min
Best day: Tuesday (90%). Worst: Friday (84%).
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