Route on-time record

ORD to MEM: most on-time flights and the best time to fly

Chicago (Chicago O'Hare International Airport) to Memphis (Memphis International Airport). 2,438 nonstop flights in Jun 2025 to May 2026, 73% arrived within 15 minutes and 2.8% were cancelled. The most reliable flight number was Envoy 4320 at 9:00 PM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

ORD → MEM

Chicago to Memphis: 2,438 nonstop flights a year

On time (12 months)

73%

Cancelled

2.8%

avg delay 18 min

Best time to leave

9 AM to noon

80% on time vs 63% 6 to 9 PM

Most reliable airline

Envoy

75% chance on time

Check ORD to MEM fares

Lowest nonstop fare seen in the next two months: $223 (United 5414 on 2026-11-05). 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 · Envoy 4320 · sold as American Eagle
9:00 PM → 10:55 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (11 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 9:00 PM flight fares Opens this date on Aviasales
#2 · SkyWest 6442 · sold as United Express, Delta Connection, American Eagle or Alaska
7:10 AM → 9:09 AM1h 59m nonstop
Local times, typical schedule. Last flown 2026-05-06.
79%
chance on time
On time (history)
86%
Cancelled
3.4%
Avg arrival delay
13 min
- Arrived on time 86% of the time (28 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 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 7:10 AM flight fares Opens this date on Aviasales
#3 · Envoy 3683 · sold as American Eagle
8:00 AM → 9:58 AM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
On time (history)
82%
Cancelled
0.0%
Avg arrival delay
9 min
- Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 8:00 AM flight fares Opens this date on Aviasales
#4 · Envoy 3926 · sold as American Eagle
4:56 PM → 6:47 PM1h 51m nonstop
Local times, typical schedule. Last flown 2026-04-06.
78%
chance on time
On time (history)
79%
Cancelled
4.8%
Avg arrival delay
15 min
- Arrived on time 79% of the time (119 flights, Jun 2025 to May 2026).
- Cancelled 4.8% of the time (6 of 125).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
Moderate track record · 119 flights
Find 4:56 PM flight fares Opens this date on Aviasales
#5 · SkyWest 5414 · sold as United Express, Delta Connection, American Eagle or Alaska
12:40 PM → 2:39 PM1h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 5841; its record covers all of them.
76%
chance on time
On time (history)
78%
Cancelled
0.3%
Avg arrival delay
13 min
- Arrived on time 78% of the time (296 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Strong track record · 296 flights
Find 12:40 PM flight fares Opens this date on Aviasales
#6 · Envoy 3747 · sold as American Eagle
5:06 PM → 7:04 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-17.
76%
chance on time
On time (history)
79%
Cancelled
2.6%
Avg arrival delay
18 min
- Arrived on time 79% of the time (38 flights, Jun 2025 to May 2026).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (38 flights), so its score leans on the airline's record at this hour.
Limited track record · 38 flights
Find 5:06 PM flight fares Opens this date on Aviasales
#7 · Republic 4373 · sold as American Eagle, Delta Connection or United Express
10:30 AM → 12:28 PM1h 59m nonstop
Local times, typical schedule. Last flown 2026-05-20.
74%
chance on time
On time (history)
76%
Cancelled
0.9%
Avg arrival delay
17 min
- Arrived on time 76% of the time (107 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 80% on time; 6 to 9 PM: 63%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Moderate track record · 107 flights
Find 10:30 AM flight fares Opens this date on Aviasales
#8 · Republic 4647 · sold as American Eagle, Delta Connection or United Express
4:04 PM → 6:06 PM2h 02m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
On time (history)
91%
Cancelled
0.0%
Avg arrival delay
14 min
- Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- 94% 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 4:04 PM flight fares Opens this date on Aviasales
#9 · SkyWest 5593 · sold as United Express, Delta Connection, American Eagle or Alaska
8:50 AM → 10:54 AM2h 04m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
On time (history)
74%
Cancelled
0.9%
Avg arrival delay
14 min
- Arrived on time 74% of the time (338 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Strong track record · 338 flights
Find 8:50 AM flight fares Opens this date on Aviasales
#10 · Republic 3655 · sold as American Eagle, Delta Connection or United Express
3:45 PM → 5:47 PM2h 02m nonstop
Local times, typical schedule. Last flown 2026-04-29.
70%
chance on time
On time (history)
78%
Cancelled
0.0%
Avg arrival delay
18 min
- Arrived on time 78% of the time (23 flights, Jun 2025 to May 2026).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- 59% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find 3:45 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)75%
813 flights · 78% on time as flown · 2.8% cancel
SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)71%
815 flights · 72% on time as flown · 1.6% cancel
Republic Airways (sold as American Eagle, Delta Connection or United Express)69%
461 flights · 71% on time as flown · 4.4% cancel
United Airlines63%
333 flights · 65% on time as flown · 3.1% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM79%
616 flights · avg delay 13 min
9 AM to noon80%
194 flights · avg delay 13 min
Noon to 3 PM76%
442 flights · avg delay 15 min
3 to 6 PM72%
435 flights · avg delay 19 min
6 to 9 PM63%
440 flights · avg delay 27 min
After 9 PM66%
311 flights · avg delay 22 min

Best day: Wednesday (77%). Worst: Friday (72%).

Smarter routing

Nearby airports that run more on time

MDW → MEM 79% chance on time
Chicago Midway International Airport to Memphis International Airport · 662 flights a year · 15 mi from your airports · yours: 71%
Rank flights Fares

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 aircraft41%
Airline (crew, maintenance, boarding)26%
Air traffic control and airport volume22%
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

ORD to MEM questions

What time of day is best to fly ORD to MEM?: 9 AM to noon: 80% of flights arrived on time, against 63% for departures 6 to 9 PM.
Which airline is most on time from ORD to MEM?: Envoy, with a season-adjusted 75% chance of operating and arriving on time over 813 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 ORD to MEM?: July (66% on time); the best was September (82%), 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.

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