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.
ATL → MLB
Atlanta to Melbourne: 1,447 nonstop flights a year
On time (12 months)
83%
Cancelled
1.6%
avg delay 11 min
Best time to leave
9 AM to noon
92% on time vs 77% 3 to 6 PM
Most reliable airline
Delta
82% 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 · Delta 3118
9:12 AM → 10:40 AM1h 29m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.6%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (359 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 92% on time; 3 to 6 PM: 77%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 359 flights
Find Delta 3118 fares Opens this date on Aviasales#2 · Delta 3127
12:45 PM → 2:11 PM1h 27m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.3%
- Avg arrival delay
- 9 min
- Arrived on time 83% of the time (362 flights, Jun 2025 to May 2026).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 362 flights
Find Delta 3127 fares Opens this date on Aviasales#3 · Delta 2435
9:29 PM → 10:56 PM1h 28m nonstop
Local times, typical schedule. Last flown 2026-05-31.
78%
chance on time
- On time (history)
- 80%
- Cancelled
- 2.5%
- Avg arrival delay
- 18 min
- Arrived on time 80% of the time (356 flights, Jun 2025 to May 2026).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 356 flights
Find Delta 2435 fares Opens this date on Aviasales#4 · Delta 3043
4:19 PM → 5:44 PM1h 28m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 77%
- Cancelled
- 2.0%
- Avg arrival delay
- 13 min
- Arrived on time 77% of the time (346 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 77% on time; 9 AM to noon: 92%).
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 346 flights
Find Delta 3043 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines82%
1,447 flights · 83% on time as flown · 1.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM90%
90 flights · avg delay 5 min
- 9 AM to noon92%
275 flights · avg delay 5 min
- Noon to 3 PM83%
364 flights · avg delay 9 min
- 3 to 6 PM77%
354 flights · avg delay 13 min
- After 9 PM81%
335 flights · avg delay 17 min
Best day: Tuesday (86%). Worst: Sunday (81%).
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