Route on-time record
SYR to ORD: most on-time flights and the best time to fly
Syracuse (Syracuse Hancock International Airport) to Chicago (Chicago O'Hare International Airport). 2,197 nonstop flights in Jun 2025 to May 2026, 74% arrived within 15 minutes and 2.6% were cancelled. The most reliable flight number was Republic 4645 at 5:40 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SYR → ORD
Syracuse to Chicago: 2,197 nonstop flights a year
On time (12 months)
74%
Cancelled
2.6%
avg delay 21 min
Best time to leave
9 AM to noon
82% on time vs 63% 6 to 9 PM
Most reliable airline
Envoy
74% chance on time
Lowest nonstop fare seen in the next two months: $299 (United 342 on 2026-10-24). 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 · Republic 4645 · sold as American Eagle, Delta Connection or United Express
5:40 AM → 7:12 AM2h 32m nonstop
Local times, typical schedule. Last flown 2026-05-19.
85%
chance on time
- On time (history)
- 95%
- Cancelled
- 2.3%
- Avg arrival delay
- 3 min
- Arrived on time 95% of the time (42 flights, Jun 2025 to May 2026).
- Short track record (42 flights), so its score leans on the airline's record at this hour.
Limited track record · 42 flights
Find 5:40 AM flight fares Opens this date on Aviasales#2 · Envoy 4044 · sold as American Eagle
10:52 AM → 12:11 PM2h 19m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 63%).
- 92% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 10:52 AM flight fares Opens this date on Aviasales#3 · United 2483
6:15 AM → 7:32 AM2h 17m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 1834; its record covers all of them.
82%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 94% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Short track record (31 flights), so its score leans on the airline's record at this hour.
Limited track record · 31 flights
Find United 2483 fares Opens this date on Aviasales#4 · Envoy 3874 · sold as American Eagle
11:30 AM → 12:54 PM2h 24m nonstop
Local times, typical schedule. Last flown 2026-05-20.
81%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 89% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 63%).
- Short track record (44 flights), so its score leans on the airline's record at this hour.
Limited track record · 44 flights
Find 11:30 AM flight fares Opens this date on Aviasales#5 · Envoy 3398 · sold as American Eagle
5:15 AM → 6:37 AM2h 22m nonstop
Local times, typical schedule. Last flown 2026-04-06.
81%
chance on time
- On time (history)
- 79%
- Cancelled
- 3.3%
- Avg arrival delay
- 20 min
- Arrived on time 79% of the time (29 flights, Jun 2025 to May 2026).
- Cancelled 3.3% of the time (1 of 30).
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find 5:15 AM flight fares Opens this date on Aviasales#6 · Envoy 4134 · sold as American Eagle
6:01 AM → 7:30 AM2h 29m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.7%
- Avg arrival delay
- 25 min
- Arrived on time 82% of the time (143 flights, Jun 2025 to May 2026).
Moderate track record · 143 flights
Find 6:01 AM flight fares Opens this date on Aviasales#7 · Republic 3686 · sold as American Eagle, Delta Connection or United Express
2:27 PM → 3:50 PM2h 23m nonstop
Local times, typical schedule. Last flown 2026-05-20.
79%
chance on time
- On time (history)
- 94%
- Cancelled
- 5.6%
- Avg arrival delay
- 21 min
- Arrived on time 94% of the time (17 flights, Jun 2025 to May 2026).
- Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- 97% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (17 flights), so its score leans on the airline's record at this hour.
Limited track record · 17 flights
Find 2:27 PM flight fares Opens this date on Aviasales#8 · Republic 3608 · sold as American Eagle, Delta Connection or United Express
10:36 AM → 12:00 PM2h 24m nonstop
Local times, typical schedule. Last flown 2026-04-29.
77%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.0%
- Avg arrival delay
- 17 min
- Arrived on time 78% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 63%).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find 10:36 AM flight fares Opens this date on Aviasales#9 · Envoy 4175 · sold as American Eagle
4:45 PM → 6:10 PM2h 25m nonstop
Local times, typical schedule. Last flown 2026-04-06.
76%
chance on time
- On time (history)
- 79%
- Cancelled
- 7.1%
- Avg arrival delay
- 19 min
- Arrived on time 79% of the time (38 flights, Jun 2025 to May 2026).
- Cancelled 7.1% of the time (3 of 42).
- Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- 69% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 38 flights
Find 4:45 PM flight fares Opens this date on Aviasales#10 · Republic 4527 · sold as American Eagle, Delta Connection or United Express
4:45 PM → 6:22 PM2h 37m nonstop
Local times, typical schedule. Last flown 2026-05-20.
75%
chance on time
- On time (history)
- 86%
- Cancelled
- 2.3%
- Avg arrival delay
- 13 min
- Arrived on time 86% of the time (43 flights, Jun 2025 to May 2026).
- Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- 78% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (43 flights), so its score leans on the airline's record at this hour.
Limited track record · 43 flights
Find 4:45 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Envoy Air (sold as American Eagle)74%
703 flights · 77% on time as flown · 2.2% cancel
- American Airlines74%
103 flights · 79% on time as flown · 2.4% cancel
- United Airlines72%
403 flights · 75% on time as flown · 1.6% cancel
- Republic Airways (sold as American Eagle, Delta Connection or United Express)72%
766 flights · 73% on time as flown · 3.6% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)62%
222 flights · 60% on time as flown · 2.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM80%
720 flights · avg delay 18 min
- 9 AM to noon82%
424 flights · avg delay 14 min
- Noon to 3 PM79%
139 flights · avg delay 14 min
- 3 to 6 PM64%
684 flights · avg delay 27 min
- 6 to 9 PM63%
228 flights · avg delay 28 min
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft33%
- Air traffic control and airport volume29%
- Airline (crew, maintenance, boarding)27%
- Severe weather11%
Share of delay minutes by the cause airlines report to the US DOT.
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
SYR to ORD questions
- What time of day is best to fly SYR to ORD?
- 9 AM to noon: 82% of flights arrived on time, against 63% for departures 6 to 9 PM.
- Which airline is most on time from SYR to ORD?
- Envoy, with a season-adjusted 74% chance of operating and arriving on time over 703 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on SYR to ORD?
- January (71% on time); the best was September (84%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from SYR
- ORD to SYR (return)
- SYR to ATL 83%
- SYR to CLT 80%
- SYR to DCA 69%
- SYR to MCO 73%
- SYR to DTW 85%
- SYR to JFK 81%
- SYR to DEN 75%
- SYR to BOS 80%
- SYR to EWR 78%
- SYR to DFW 79%
Live status: FAA delays and ground stops