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.
CRP → HOU
Corpus Christi to Houston: 974 nonstop flights a year
On time (12 months)
86%
Cancelled
0.3%
avg delay 10 min
Best time to leave
Before 9 AM
93% on time vs 68% 6 to 9 PM
Most reliable airline
Southwest
86% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
8 nonstop. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.
Best overall#1 · Nonstop · 1h 20m
12:45 PM → 2:05 PM
93%
arrive on time
93% on time · 0.2% cancel12:45 PM CRP → 2:05 PM HOU1h 20m
Southwest 36
Boeing 737 MAX 8 or 737-800 · 1–19 yrs oldFind Southwest 36 fares Opens this date on Aviasales#2 · Nonstop · 1h 10m
6:00 AM → 7:10 AM
91%
arrive on time
91% on time · 0.8% cancel6:00 AM CRP → 7:10 AM HOU1h 10m
Southwest 8
Boeing 737-700 · 16–22 yrs oldFind Southwest 8 fares Opens this date on Aviasales#3 · Nonstop · 1h 05m
12:25 PM → 1:30 PM
86%
arrive on time
86% on time · 0.2% cancel12:25 PM CRP → 1:30 PM HOU1h 05m
Southwest 34
Boeing 737-700 or 737 MAX 8 · 3–22 yrs oldFind Southwest 34 fares Opens this date on Aviasales#4 · Nonstop · 1h 20m
1:20 PM → 2:40 PM
86%
arrive on time
86% on time · 0.3% cancel1:20 PM CRP → 2:40 PM HOU1h 20m
Southwest 38
Boeing 737-700 · 15–23 yrs oldFind Southwest 38 fares Opens this date on Aviasales#5 · Nonstop · 1h 05m
12:05 PM → 1:10 PM
84%
arrive on time
84% on time · 0.3% cancel12:05 PM CRP → 1:10 PM HOU1h 05m
Southwest 2014
Boeing 737-700 · 4–23 yrs oldFind Southwest 2014 fares Opens this date on Aviasales#6 · Nonstop · 1h 15m
4:45 PM → 6:00 PM
83%
arrive on time
83% on time · 0.2% cancel4:45 PM CRP → 6:00 PM HOU1h 15m
Southwest 52
Boeing 737-700 · 16–23 yrs oldFind Southwest 52 fares Opens this date on Aviasales#7 · Nonstop · 1h 15m
5:10 PM → 6:25 PM
81%
arrive on time
81% on time · 0.2% cancel5:10 PM CRP → 6:25 PM HOU1h 15m
Southwest 1451
Boeing 737-700 or 737 MAX 8 · 2–21 yrs oldFind Southwest 1451 fares Opens this date on Aviasales#8 · Nonstop · 1h 05m
6:40 PM → 7:45 PM
75%
arrive on time
75% on time · 0.2% cancel6:40 PM CRP → 7:45 PM HOU1h 05m
Southwest 54
Boeing 737-700 · 3–23 yrs oldFind Southwest 54 fares Opens this date 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.
- Southwest Airlines86%
974 flights · 86% on time as flown · 0.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
365 flights · avg delay 5 min
- 9 AM to noon83%
115 flights · avg delay 16 min
- Noon to 3 PM88%
248 flights · avg delay 8 min
- 3 to 6 PM78%
135 flights · avg delay 14 min
- 6 to 9 PM68%
111 flights · avg delay 18 min
Best day: Saturday (89%). Worst: Thursday (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