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 → IND
Dallas to Indianapolis: 675 nonstop flights a year
On time (12 months)
76%
Cancelled
1.5%
avg delay 15 min
Best time to leave
Before 9 AM
93% on time vs 60% 6 to 9 PM
Most reliable airline
Southwest
75% chance on time
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 2156
8:35 AM → 11:35 AM2h 00m nonstop
Local times, typical schedule. Last flown 2026-04-06.
86%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 88% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 60%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Limited track record · 33 flights
Find Southwest 2156 fares Opens this date on Aviasales#2 · Southwest 445
11:30 AM → 2:35 PM2h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 87% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- 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 (55 flights), so its score leans on the airline's record at this hour.
Limited track record · 55 flights
Find Southwest 445 fares Opens this date on Aviasales#3 · Southwest 1533
6:20 PM → 9:25 PM2h 05m nonstop
Local times, typical schedule. Last flown 2026-05-27.
71%
chance on time
- On time (history)
- 69%
- Cancelled
- 0.0%
- Avg arrival delay
- 34 min
- Arrived on time 69% of the time (16 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 60% on time; Before 9 AM: 93%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 78% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 16 flights
Find Southwest 1533 fares Opens this date on Aviasales#4 · Southwest 955
6:10 PM → 9:15 PM2h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
- On time (history)
- 67%
- Cancelled
- 0.0%
- Avg arrival delay
- 17 min
- Arrived on time 67% of the time (15 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 60% on time; Before 9 AM: 93%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 78% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 15 flights
Find Southwest 955 fares Opens this date on Aviasales#5 · Southwest 2137
7:45 PM → 10:45 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-29.
68%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 60% on time; Before 9 AM: 93%).
- 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 2137 fares Opens this date on Aviasales#6 · Southwest 3366
5:25 PM → 8:25 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-04-06.
62%
chance on time
- On time (history)
- 39%
- Cancelled
- 0.0%
- Avg arrival delay
- 36 min
- Arrived on time 39% of the time (28 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 (28 flights), so its score leans on the airline's record at this hour.
Limited track record · 28 flights
Find Southwest 3366 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines75%
675 flights · 76% on time as flown · 1.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
201 flights · avg delay 5 min
- 9 AM to noon87%
90 flights · avg delay 8 min
- 3 to 6 PM78%
74 flights · avg delay 14 min
- 6 to 9 PM60%
284 flights · avg delay 25 min
Best day: Friday (81%). Worst: Wednesday (74%).
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