Route on-time record

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

Charlotte (Charlotte Douglas International Airport) to St Louis (St. Louis Lambert International Airport). 1,826 nonstop flights in Jun 2025 to May 2026, 77% arrived within 15 minutes and 1.5% were cancelled. The most reliable flight number was American 2950 at 7:26 AM.

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

CLT → STL

Charlotte to St Louis: 1,826 nonstop flights a year

On time (12 months)

77%

Cancelled

1.5%

avg delay 17 min

Best time to leave

Before 9 AM

88% on time vs 61% 6 to 9 PM

Most reliable airline

PSA

80% chance on time

Check CLT to STL fares

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 · American 2950
7:26 AM → 8:30 AM2h 04m nonstop
Local times, typical schedule. Last flown 2026-05-20.
87%
chance on time
On time (history)
91%
Cancelled
0.0%
Avg arrival delay
5 min
- Arrived on time 91% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 6 to 9 PM: 61%).
- Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
Limited track record · 44 flights
Find American 2950 fares Opens this date on Aviasales
#2 · American 2733
7:35 AM → 8:33 AM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 2475; its record covers all of them.
84%
chance on time
On time (history)
86%
Cancelled
0.0%
Avg arrival delay
7 min
- Arrived on time 86% of the time (92 flights, Jun 2025 to May 2026).
- Never cancelled in 92 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 6 to 9 PM: 61%).
- 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 · 92 flights
Find American 2733 fares Opens this date on Aviasales
#3 · American 2958
12:21 PM → 1:22 PM2h 01m nonstop
Local times, typical schedule. Last flown 2026-05-20.
82%
chance on time
On time (history)
84%
Cancelled
0.0%
Avg arrival delay
12 min
- Arrived on time 84% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 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 (44 flights), so its score leans on the airline's record at this hour.
Limited track record · 44 flights
Find American 2958 fares Opens this date on Aviasales
#4 · American 2717
11:01 AM → 11:59 AM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
On time (history)
82%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
- 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 (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find American 2717 fares Opens this date on Aviasales
#5 · American 2486
11:37 AM → 12:43 PM2h 06m nonstop
Local times, typical schedule. Last flown 2026-04-06.
75%
chance on time
On time (history)
78%
Cancelled
2.3%
Avg arrival delay
20 min
- Arrived on time 78% of the time (169 flights, Jun 2025 to May 2026).
- Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
- 51% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 169 flights
Find American 2486 fares Opens this date on Aviasales
#6 · American 2731
4:21 PM → 5:20 PM1h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
On time (history)
80%
Cancelled
0.0%
Avg arrival delay
20 min
- Arrived on time 80% of the time (10 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.
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find American 2731 fares Opens this date on Aviasales
#7 · American 2943
4:59 PM → 6:04 PM2h 05m nonstop
Local times, typical schedule. Last flown 2026-05-20.
74%
chance on time
On time (history)
77%
Cancelled
0.0%
Avg arrival delay
15 min
- Arrived on time 77% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
- 58% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 44 flights
Find American 2943 fares Opens this date on Aviasales
#8 · American 2477
6:26 PM → 7:30 PM2h 04m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 2937; its record covers all of them.
72%
chance on time
On time (history)
74%
Cancelled
1.9%
Avg arrival delay
18 min
- Arrived on time 74% of the time (364 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 61% on time; Before 9 AM: 88%).
- Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 364 flights
Find American 2477 fares Opens this date on Aviasales
#9 · American 459
10:45 PM → 11:44 PM1h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
68%
chance on time
On time (history)
66%
Cancelled
0.6%
Avg arrival delay
37 min
- Arrived on time 66% of the time (154 flights, Jun 2025 to May 2026).
- Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
- 61% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 154 flights
Find American 459 fares Opens this date on Aviasales
#10 · American 2686
6:00 PM → 7:00 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-31.
65%
chance on time
On time (history)
64%
Cancelled
0.6%
Avg arrival delay
28 min
- Arrived on time 64% of the time (155 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 61% on time; Before 9 AM: 88%).
- Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 155 flights
Find American 2686 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

PSA Airlines (sold as American Eagle)80%
75 flights · 87% on time as flown · 3.2% cancel
Southwest Airlines77%
271 flights · 78% on time as flown · 1.3% cancel
American Airlines76%
1,480 flights · 77% on time as flown · 1.4% cancel

On time by departure time

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

Before 9 AM88%
381 flights · avg delay 10 min
9 AM to noon78%
167 flights · avg delay 16 min
Noon to 3 PM80%
366 flights · avg delay 15 min
3 to 6 PM80%
356 flights · avg delay 14 min
6 to 9 PM61%
314 flights · avg delay 27 min
After 9 PM74%
242 flights · avg delay 26 min

Best day: Wednesday (81%). Worst: Monday (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.

What delays this route

Late-arriving aircraft55%
Airline (crew, maintenance, boarding)32%
Severe weather7%
Air traffic control and airport volume7%

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

CLT to STL questions

What time of day is best to fly CLT to STL?: Before 9 AM: 88% of flights arrived on time, against 61% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from CLT to STL?: PSA, with a season-adjusted 80% chance of operating and arriving on time over 75 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 STL?: July (63% on time); the best was February (85%), 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.

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