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Route on-time record

CLT to GSP: most on-time flights and the best time to fly

Charlotte (Charlotte Douglas International Airport) to Greenville/Greer/Spartanburg (Greenville-Spartanburg International Airport). 1,569 nonstop flights in Jun 2025 to May 2026, 71% arrived within 15 minutes and 1.8% were cancelled. The most reliable flight number was Envoy 3633 at 11:20 AM.

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

CLT → GSP

Charlotte to Greenville/Greer/Spartanburg: 1,569 nonstop flights a year

On time (12 months)

71%

Cancelled

1.8%

avg delay 24 min

Best time to leave

9 AM to noon

82% on time vs 64% 6 to 9 PM

Most reliable airline

Envoy

82% chance on time

Check CLT to GSP fares

Lowest nonstop fare seen in the next two months: $481 (American 6002 on 2026-10-20). 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. #1 · Envoy 3633 · sold as American Eagle

    11:20 AM → 12:19 PM59m nonstop

    Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as Envoy 3674; its record covers all of them.

    90%

    chance on time

    On time (history)
    93%
    Cancelled
    0.0%
    Avg arrival delay
    5 min
    • Arrived on time 93% of the time (70 flights, Jun 2025 to May 2026).
    • Never cancelled in 70 scheduled flights.
    • Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 64%).
    • Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).

    Moderate track record · 70 flights

    Find 11:20 AM flight fares Opens this date on Aviasales

  2. #2 · Envoy 3422 · sold as American Eagle

    6:00 PM → 6:59 PM59m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    87%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (9 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 64% on time; 9 AM to noon: 82%).
    • Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (9 flights), so its score leans on the airline's record at this hour.

    Limited track record · 9 flights

    Find 6:00 PM flight fares Opens this date on Aviasales

  3. #3 · American 1317

    11:00 PM → 11:57 PM57m nonstop

    Local times, typical schedule. Last flown 2026-05-19.

    86%

    chance on time

    On time (history)
    93%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 93% of the time (43 flights, Jun 2025 to May 2026).
    • Never cancelled in 43 scheduled flights.
    • Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
    • Short track record (43 flights), so its score leans on the airline's record at this hour.

    Limited track record · 43 flights

    Find American 1317 fares Opens this date on Aviasales

  4. #4 · PSA 5504 · sold as American Eagle

    10:55 PM → 11:52 PM57m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as PSA 5620; its record covers all of them.

    68%

    chance on time

    On time (history)
    67%
    Cancelled
    4.9%
    Avg arrival delay
    15 min
    • Arrived on time 67% of the time (39 flights, Jun 2025 to May 2026).
    • Cancelled 4.9% of the time (2 of 41).
    • Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
    • Short track record (39 flights), so its score leans on the airline's record at this hour.

    Limited track record · 39 flights

    Find 10:55 PM flight fares Opens this date on Aviasales

  5. #5 · PSA 5203 · sold as American Eagle

    4:30 PM → 5:35 PM1h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    66%

    chance on time

    On time (history)
    73%
    Cancelled
    0.0%
    Avg arrival delay
    13 min
    • Arrived on time 73% of the time (11 flights, Jun 2025 to May 2026).
    • Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
    • 96% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find 4:30 PM flight fares Opens this date on Aviasales

  6. #6 · PSA 5440 · sold as American Eagle

    12:49 PM → 1:43 PM54m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    62%

    chance on time

    On time (history)
    60%
    Cancelled
    0.0%
    Avg arrival delay
    35 min
    • Arrived on time 60% of the time (129 flights, Jun 2025 to May 2026).
    • Never cancelled in 129 scheduled flights.
    • Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
    • 50% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 129 flights

    Find 12:49 PM flight fares Opens this date on Aviasales

  7. #7 · PSA 5524 · sold as American Eagle

    8:36 PM → 9:35 PM59m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as PSA 5124; its record covers all of them.

    60%

    chance on time

    On time (history)
    61%
    Cancelled
    1.5%
    Avg arrival delay
    34 min
    • Arrived on time 61% of the time (321 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 64% on time; 9 AM to noon: 82%).
    • Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
    • 58% of its delay minutes came from the plane arriving late from an earlier flight.

    Strong track record · 321 flights

    Find 8:36 PM flight fares Opens this date on Aviasales

  8. #8 · PSA 5144 · sold as American Eagle

    7:02 PM → 8:01 PM59m nonstop

    Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as PSA 5181; its record covers all of them.

    59%

    chance on time

    On time (history)
    59%
    Cancelled
    0.0%
    Avg arrival delay
    27 min
    • Arrived on time 59% of the time (74 flights, Jun 2025 to May 2026).
    • Never cancelled in 74 scheduled flights.
    • Leaves in this route's least on-time window (6 to 9 PM: 64% on time; 9 AM to noon: 82%).
    • Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.

    Moderate track record · 74 flights

    Find 7:02 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Envoy Air (sold as American Eagle)82%

    120 flights · 89% on time as flown · 1.0% cancel

  • American Airlines76%

    335 flights · 80% on time as flown · 2.4% cancel

  • PSA Airlines (sold as American Eagle)65%

    1,114 flights · 66% on time as flown · 1.7% cancel

On time by departure time

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

  • 9 AM to noon82%

    188 flights · avg delay 14 min

  • Noon to 3 PM75%

    151 flights · avg delay 18 min

  • 3 to 6 PM67%

    274 flights · avg delay 28 min

  • 6 to 9 PM64%

    650 flights · avg delay 29 min

  • After 9 PM78%

    301 flights · avg delay 18 min

Best day: Wednesday (79%). Worst: Sunday (72%).

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.

J
78
F
82
M
78
A
75
M
65
J
72
J
60
A
71
S
82
O
83
N
87
D
80

What delays this route

  • Late-arriving aircraft52%
  • Airline (crew, maintenance, boarding)24%
  • Air traffic control and airport volume14%
  • Severe weather10%

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

Finding the most reliable connections from CLT to GSP…

CLT to GSP questions

What time of day is best to fly CLT to GSP?
9 AM to noon: 82% of flights arrived on time, against 64% for departures 6 to 9 PM.
Which airline is most on time from CLT to GSP?
Envoy, with a season-adjusted 82% chance of operating and arriving on time over 120 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 CLT to GSP?
July (60% on time); the best was November (87%), 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 CLT

Live status: FAA delays and ground stops