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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.

SAT → CLT

San Antonio to Charlotte: 1,371 nonstop flights a year

On time (12 months)

86%

Cancelled

1.8%

avg delay 18 min

Best time to leave

9 AM to noon

90% on time vs 77% noon to 3 PM

Most reliable airline

American

85% chance on time

Check SAT to CLT fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Best trips

9 nonstop, 31 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 59m

    6:10 AM → 10:09 AM

    90%

    arrive on time

    6:10 AM SAT → 10:09 AM CLT2h 59m

    American 1119

    Boeing 737-800 · 9–25 yrs old
    91% on time · 1.1% cancel
    Find American 1119 fares Opens this date on Aviasales

  2. #2 · Nonstop · 2h 47m

    10:14 AM → 2:01 PM

    88%

    arrive on time

    10:14 AM SAT → 2:01 PM CLT2h 47m

    American 1977

    Airbus A321 · 9–17 yrs old
    91% on time · 2.6% cancel
    Find American 1977 fares Opens this date on Aviasales

  3. #3 · Nonstop · 2h 54m

    10:06 AM → 2:00 PM

    89%

    arrive on time

    10:06 AM SAT → 2:00 PM CLT2h 54m

    American 2742

    Airbus A321 · 9–24 yrs old
    90% on time · 1.4% cancel
    Find American 2742 fares Opens this date on Aviasales

  4. #4 · Nonstop · 2h 51m

    6:24 AM → 10:15 AM

    88%

    arrive on time

    6:24 AM SAT → 10:15 AM CLT2h 51m

    American 2463

    Boeing 737-800 · 9–26 yrs old
    90% on time · 2.4% cancel
    Find American 2463 fares Opens this date on Aviasales

  5. #5 · Nonstop · 2h 57m

    10:00 AM → 1:57 PM

    88%

    arrive on time

    10:00 AM SAT → 1:57 PM CLT2h 57m

    American 2487

    Airbus A321 · 10–25 yrs old
    89% on time · 1.7% cancel
    Find American 2487 fares Opens this date on Aviasales

  6. #6 · Nonstop · 2h 47m

    8:25 AM → 12:12 PM

    86%

    arrive on time

    8:25 AM SAT → 12:12 PM CLT2h 47m

    American 2875

    Airbus A320 · 21–27 yrs old
    88% on time · 2.2% cancel
    Find American 2875 fares Opens this date on Aviasales

  7. #7 · Nonstop · 2h 54m

    8:14 AM → 12:08 PM

    86%

    arrive on time

    8:14 AM SAT → 12:08 PM CLT2h 54m

    American 3297

    Airbus A320 · 17–27 yrs old
    87% on time · 1.6% cancel
    Find American 3297 fares Opens this date on Aviasales

  8. #8 · Nonstop · 3h 02m

    5:42 PM → 9:44 PM

    79%

    arrive on time

    5:42 PM SAT → 9:44 PM CLT3h 02m

    American 2744

    Boeing 737 MAX 8 or 737-800 · 1–25 yrs old
    81% on time · 1.5% cancel
    Find American 2744 fares Opens this date on Aviasales

  9. #9 · Nonstop · 3h 03m

    5:52 PM → 9:55 PM

    74%

    arrive on time

    5:52 PM SAT → 9:55 PM CLT3h 03m

    American 2496 · also flew as 2934

    Airbus A321 or Boeing 737-800 · 2–25 yrs old
    76% on time · 2.3% cancel
    Find American 2496 fares Opens this date on Aviasales

  10. #10 · 1 connection · 6h 16m · one ticket (American)

    5:00 AM → 12:16 PM

    92%

    connections made

    83%

    arrive on time

    5:00 AM SAT → 6:22 AM DFW1h 22m

    American 2616

    Airbus A320 · 16–28 yrs old
    92% on time · 2.0% cancel
    Connect in DFW · 2h 13m · 95% chance to make it · same ticket: the airline rebooks you if you miss it

    8:35 AM DFW → 12:16 PM CLT2h 41m

    American 1690 · also flew as 3180

    Airbus A321neo · 4–25 yrs old
    90% on time · 1.4% cancel
    Find this American trip Look for American 2616 + American 1690 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.

  • American Airlines85%

    1,371 flights · 86% on time as flown · 1.8% cancel

On time by departure time

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

  • Before 9 AM89%

    688 flights · avg delay 22 min

  • 9 AM to noon90%

    297 flights · avg delay 8 min

  • Noon to 3 PM77%

    173 flights · avg delay 26 min

  • 3 to 6 PM79%

    210 flights · avg delay 17 min

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