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.
ABE → SFB
Allentown/Bethlehem to Orlando: 645 nonstop flights a year
On time (12 months)
80%
Cancelled
0.6%
avg delay 22 min
Best time to leave
Before 9 AM
92% on time vs 67% 6 to 9 PM
Most reliable airline
Allegiant
80% chance on time
Lowest nonstop fare seen in the next two months: $83 (Allegiant 161 on 2026-10-27). 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 · Allegiant 191
10:00 AM → 12:24 PM2h 24m nonstop
Local times, typical schedule. Last flown 2026-05-18.
89%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 97% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 32 scheduled flights.
- Short track record (32 flights), so its score leans on the airline's record at this hour.
Limited track record · 32 flights
Find Allegiant 191 fares Opens this date on Aviasales#2 · Allegiant 197
6:30 AM → 8:54 AM2h 24m nonstop
Local times, typical schedule. Last flown 2026-05-18. Same departure also flew as Allegiant 1797; its record covers all of them.
88%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 88% of the time (42 flights, Jun 2025 to May 2026).
- Never cancelled in 42 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; 6 to 9 PM: 67%).
- Short track record (42 flights), so its score leans on the airline's record at this hour.
Limited track record · 42 flights
Find Allegiant 197 fares Opens this date on Aviasales#3 · Allegiant 1202
12:17 PM → 2:41 PM2h 24m nonstop
Local times, typical schedule. Last flown 2026-05-19.
77%
chance on time
- On time (history)
- 72%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 72% of the time (18 flights, Jun 2025 to May 2026).
- Short track record (18 flights), so its score leans on the airline's record at this hour.
Limited track record · 18 flights
Find Allegiant 1202 fares Opens this date on Aviasales#4 · Allegiant 1791
3:25 PM → 5:49 PM2h 24m nonstop
Local times, typical schedule. Last flown 2026-05-15.
75%
chance on time
- On time (history)
- 73%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 73% of the time (22 flights, Jun 2025 to May 2026).
- Short track record (22 flights), so its score leans on the airline's record at this hour.
Limited track record · 22 flights
Find Allegiant 1791 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Allegiant Air80%
645 flights · 80% on time as flown · 0.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
215 flights · avg delay 13 min
- 9 AM to noon87%
118 flights · avg delay 13 min
- Noon to 3 PM72%
98 flights · avg delay 28 min
- 3 to 6 PM75%
128 flights · avg delay 17 min
- 6 to 9 PM67%
57 flights · avg delay 69 min
Best day: Friday (88%). Worst: Sunday (77%).
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