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.
DAL → MCI
Dallas to Kansas City: 2,036 nonstop flights a year
On time (12 months)
76%
Cancelled
1.6%
avg delay 13 min
Best time to leave
Before 9 AM
92% on time vs 59% after 9 PM
Most reliable airline
Southwest
75% chance on time
Lowest nonstop fare seen in the next two months: $130 (Southwest 2468 on 2026-11-04). 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 · Southwest 3816
6:50 AM → 8:20 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-05.
90%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (13 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 59%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 3816 fares Opens this date on Aviasales#2 · Southwest 1076
6:05 AM → 7:35 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
89%
chance on time
- On time (history)
- 95%
- Cancelled
- 5.0%
- Avg arrival delay
- 3 min
- Arrived on time 95% of the time (19 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 59%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Southwest 1076 fares Opens this date on Aviasales#3 · Southwest 1219
9:55 AM → 11:30 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29.
89%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 100% of the time (23 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 1219 fares Opens this date on Aviasales#4 · Southwest 1570
6:15 AM → 7:45 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 84%
- Cancelled
- 1.4%
- Avg arrival delay
- 6 min
- Arrived on time 84% of the time (69 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 59%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Moderate track record · 69 flights
Find Southwest 1570 fares Opens this date on Aviasales#5 · Southwest 1761
10:45 AM → 12:15 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-30.
82%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1761 fares Opens this date on Aviasales#6 · Southwest 4609
8:05 AM → 9:40 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
81%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 79% of the time (24 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 59%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find Southwest 4609 fares Opens this date on Aviasales#7 · Southwest 2456
3:35 PM → 5:10 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1910; its record covers all of them.
77%
chance on time
- On time (history)
- 76%
- Cancelled
- 1.4%
- Avg arrival delay
- 12 min
- Arrived on time 76% of the time (68 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 68 flights
Find Southwest 2456 fares Opens this date on Aviasales#8 · Southwest 1573
11:40 AM → 1:15 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29.
77%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 16 min
- Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 1573 fares Opens this date on Aviasales#9 · Southwest 506
11:05 AM → 12:35 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
74%
chance on time
- On time (history)
- 67%
- Cancelled
- 0.0%
- Avg arrival delay
- 25 min
- Arrived on time 67% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 33 flights
Find Southwest 506 fares Opens this date on Aviasales#10 · Southwest 102
2:10 PM → 3:40 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-04.
72%
chance on time
- On time (history)
- 77%
- Cancelled
- 0.0%
- Avg arrival delay
- 26 min
- Arrived on time 77% of the time (13 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 102 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines75%
2,036 flights · 76% on time as flown · 1.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
478 flights · avg delay 3 min
- 9 AM to noon86%
360 flights · avg delay 9 min
- Noon to 3 PM73%
340 flights · avg delay 14 min
- 3 to 6 PM69%
388 flights · avg delay 17 min
- 6 to 9 PM60%
299 flights · avg delay 22 min
- After 9 PM59%
171 flights · avg delay 25 min
Best day: Tuesday (83%). Worst: Thursday (72%).
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
