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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.

STL → CLT

St Louis to Charlotte: 1,827 nonstop flights a year

On time (12 months)

83%

Cancelled

1.4%

avg delay 18 min

Best time to leave

Before 9 AM

90% on time vs 70% 3 to 6 PM

Most reliable airline

American

83% chance on time

Check STL 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 · 1h 54m

    9:24 AM → 12:18 PM

    90%

    arrive on time

    9:24 AM STL → 12:18 PM CLT1h 54m

    American 2733

    Boeing 737-800 · 14–27 yrs old
    91% on time · 1.2% cancel
    Find American 2733 fares Opens this date on Aviasales

  2. #2 · Nonstop · 2h 02m

    7:00 AM → 10:02 AM

    89%

    arrive on time

    7:00 AM STL → 10:02 AM CLT2h 02m

    American 858 · also flew as 1992

    Boeing 737-800 · 9–27 yrs old
    91% on time · 1.9% cancel
    Find American 858 fares Opens this date on Aviasales

  3. #3 · Nonstop · 1h 54m

    9:10 AM → 12:04 PM

    85%

    arrive on time

    9:10 AM STL → 12:04 PM CLT1h 54m

    American 2950 · also flew as 2475

    Airbus A319 · 13–28 yrs old
    86% on time · 1.6% cancel
    Find American 2950 fares Opens this date on Aviasales

  4. #4 · Nonstop · 2h 00m

    6:55 PM → 9:55 PM

    83%

    arrive on time

    6:55 PM STL → 9:55 PM CLT2h 00m

    American 2943 · also flew as 2477

    Boeing 737 MAX 8 or 737-800 · 1–26 yrs old
    84% on time · 1.0% cancel
    Find American 2943 fares Opens this date on Aviasales

  5. #5 · Nonstop · 2h 00m

    7:30 AM → 10:30 AM

    83%

    arrive on time

    7:30 AM STL → 10:30 AM CLT2h 00m

    American 712

    Boeing 737-800 · 13–25 yrs old
    84% on time · 1.7% cancel
    Find American 712 fares Opens this date on Aviasales

  6. #6 · Nonstop · 2h 01m

    2:12 PM → 5:13 PM

    82%

    arrive on time

    2:12 PM STL → 5:13 PM CLT2h 01m

    American 2958

    Boeing 737-800 · 3–26 yrs old
    83% on time · 1.0% cancel
    Find American 2958 fares Opens this date on Aviasales

  7. #7 · Nonstop · 2h 03m

    6:12 PM → 9:15 PM

    82%

    arrive on time

    6:12 PM STL → 9:15 PM CLT2h 03m

    American 2731

    Boeing 737-800 · 11–26 yrs old
    83% on time · 1.2% cancel
    Find American 2731 fares Opens this date on Aviasales

  8. #8 · Nonstop · 1h 55m

    12:39 PM → 3:34 PM

    77%

    arrive on time

    12:39 PM STL → 3:34 PM CLT1h 55m

    American 2717

    Airbus A319 · 20–28 yrs old
    78% on time · 1.2% cancel
    Find American 2717 fares Opens this date on Aviasales

  9. #9 · Nonstop · 1h 56m

    1:34 PM → 4:30 PM

    76%

    arrive on time

    1:34 PM STL → 4:30 PM CLT1h 56m

    American 2486

    Boeing 737-800 · 9–27 yrs old
    78% on time · 1.9% cancel
    Find American 2486 fares Opens this date on Aviasales

  10. #10 · 1 connection · 4h 20m · one ticket (Southwest)

    7:35 AM → 12:55 PM

    96%

    connections made

    80%

    arrive on time

    7:35 AM STL → 8:45 AM BNA1h 10m

    Southwest 4668 · also flew as 4537

    Boeing 737 MAX 8 or 737-800 · 1–18 yrs old
    94% on time · 1.3% cancel
    Connect in BNA · 1h 45m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    10:30 AM BNA → 12:55 PM CLT1h 25m

    Southwest 351

    Boeing 737-700 · 16–23 yrs old
    84% on time · 1.5% cancel
    Find this Southwest trip Look for Southwest 4668 + Southwest 351 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 Airlines83%

    1,484 flights · 85% on time as flown · 1.3% cancel

  • PSA Airlines (sold as American Eagle)82%

    75 flights · 86% on time as flown · 3.1% cancel

  • Southwest Airlines76%

    268 flights · 75% on time as flown · 0.7% cancel

On time by departure time

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

  • Before 9 AM90%

    609 flights · avg delay 18 min

  • 9 AM to noon88%

    364 flights · avg delay 16 min

  • Noon to 3 PM79%

    392 flights · avg delay 17 min

  • 3 to 6 PM70%

    318 flights · avg delay 27 min

  • 6 to 9 PM83%

    144 flights · avg delay 12 min

Best day: Tuesday (83%). Worst: Sunday (78%).

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